Home / 29,724.64-41,024.24-18,397.78

Finding the Fourth Proportional to 29,724.64, 41,024.24 and 18,397.78

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Solution

The fourth proportional to 29,724.64, 41,024.24 and 18,397.78 is: 25,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,724.64 : 41,024.24 = 18,397.78 : x
  2. Step 2: Convert to fraction form
    29,724.64/41,024.24 = 18,397.78/x
  3. Step 3: Cross multiply
    29,724.64x = 41,024.24 × 18,397.78
  4. Step 4: Simplify right side
    29,724.64x = 754,754,942.19
  5. Step 5: Solve for x
    x = 754,754,942.19/29,724.64
  6. Step 6: Final answer
    x = 25,391.56

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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.