Home / 16,613.28-22,929.92-9,543.60

Finding the Fourth Proportional to 16,613.28, 22,929.92 and 9,543.60

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Solution

The fourth proportional to 16,613.28, 22,929.92 and 9,543.60 is: 13,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.28 : 22,929.92 = 9,543.60 : x
  2. Step 2: Convert to fraction form
    16,613.28/22,929.92 = 9,543.60/x
  3. Step 3: Cross multiply
    16,613.28x = 22,929.92 × 9,543.60
  4. Step 4: Simplify right side
    16,613.28x = 218,833,936.79
  5. Step 5: Solve for x
    x = 218,833,936.79/16,613.28
  6. Step 6: Final answer
    x = 13,172.23

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1.5x scale

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.