Home / 21,593.29-29,802.55-16,169.53

Finding the Fourth Proportional to 21,593.29, 29,802.55 and 16,169.53

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Solution

The fourth proportional to 21,593.29, 29,802.55 and 16,169.53 is: 22,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.29 : 29,802.55 = 16,169.53 : x
  2. Step 2: Convert to fraction form
    21,593.29/29,802.55 = 16,169.53/x
  3. Step 3: Cross multiply
    21,593.29x = 29,802.55 × 16,169.53
  4. Step 4: Simplify right side
    21,593.29x = 481,893,226.30
  5. Step 5: Solve for x
    x = 481,893,226.30/21,593.29
  6. Step 6: Final answer
    x = 22,316.80

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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.