Question

if a, 12, 16 and 24 are in proportion find a​

Answer 1

Step-by-step explanation:

a=8

a= 2×d

common difference is 4

a=2×4

a=8

Answer 2

Answer:

a = 8

Step-by-step explanation:

If these no. are in proportion then :-

Product of their Means = Product of Extremes

Means = 12,16

Extremes=a,24

= 12×16=a×24

= 12×16/24=a

= 8 = a