Question

free 20 points



find the fourth proportion




9,36,19,x ​

Answer 1

Answer:

x = 76

Step-by-step explanation:

9 : 36 :: 19 : x

Product of extremes = Product of Means

= 9 × x = 36 × 19

x = 36 × 19/9

x = 4 × 19

x = 76

Answer 2

Answer:

x = 76

Step-by-step explanation:

9 : 36 :: 19 : x

Product of extremes = Product of Means

= 9 × x = 36 × 19

x = 36 × 19/9

x = 4 × 19

x = 76