# Find the unknown term of the proportion: x/1,9=66,5/13,3

Find the unknown term of the proportion: x/1,9=66,5/13,3
You can still ask an expert for help

• Questions are typically answered in as fast as 30 minutes

Solve your problem for the price of one coffee

• Math expert for every subject
• Pay only if we can solve it

Yareli Hendrix
proportion rule; the product of the extreme terms of the proportion is equal to the product of the middle terms of the proportion; a and d are extreme; b and c are averages; a/b=c/d; => a•d=b•c; we multiply according to the rule with a cross;
Find the unknown term of the proportion:
x/1.9=66.5/13.3
X•13.3=1.9•66.5
13.3x=126.35
X=126.35:13.3
X=9.5
Examination
Х/1.9=66.5/13.3
9.5/1.9=5
5=5
###### Not exactly what you’re looking for?

• Questions are typically answered in as fast as 30 minutes

Solve your problem for the price of one coffee