Home / 29,115.28-40,178.89-16,540.03

Finding the Fourth Proportional to 29,115.28, 40,178.89 and 16,540.03

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Solution

The fourth proportional to 29,115.28, 40,178.89 and 16,540.03 is: 22,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.28 : 40,178.89 = 16,540.03 : x
  2. Step 2: Convert to fraction form
    29,115.28/40,178.89 = 16,540.03/x
  3. Step 3: Cross multiply
    29,115.28x = 40,178.89 × 16,540.03
  4. Step 4: Simplify right side
    29,115.28x = 664,559,963.27
  5. Step 5: Solve for x
    x = 664,559,963.27/29,115.28
  6. Step 6: Final answer
    x = 22,825.13

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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.