Finding the Fourth Proportional to 20,646.08, 28,503.41 and 13,593
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Solution
The fourth proportional to 20,646.08, 28,503.41 and 13,593 is: 18,766.12
Step by Step Solution
- Step 1: Write the proportion equation
20,646.08 : 28,503.41 = 13,593 : x - Step 2: Convert to fraction form
20,646.08/28,503.41 = 13,593/x - Step 3: Cross multiply
20,646.08x = 28,503.41 × 13,593 - Step 4: Simplify right side
20,646.08x = 387,446,784.17 - Step 5: Solve for x
x = 387,446,784.17/20,646.08 - Step 6: Final answer
x = 18,766.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.