Home / 22,541.10-31,132.24-15,358.56

Finding the Fourth Proportional to 22,541.10, 31,132.24 and 15,358.56

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Solution

The fourth proportional to 22,541.10, 31,132.24 and 15,358.56 is: 21,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.10 : 31,132.24 = 15,358.56 : x
  2. Step 2: Convert to fraction form
    22,541.10/31,132.24 = 15,358.56/x
  3. Step 3: Cross multiply
    22,541.10x = 31,132.24 × 15,358.56
  4. Step 4: Simplify right side
    22,541.10x = 478,146,375.97
  5. Step 5: Solve for x
    x = 478,146,375.97/22,541.10
  6. Step 6: Final answer
    x = 21,212.20

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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.