Home / 24,721.36-34,115.92-13,542.64

Finding the Fourth Proportional to 24,721.36, 34,115.92 and 13,542.64

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Solution

The fourth proportional to 24,721.36, 34,115.92 and 13,542.64 is: 18,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.36 : 34,115.92 = 13,542.64 : x
  2. Step 2: Convert to fraction form
    24,721.36/34,115.92 = 13,542.64/x
  3. Step 3: Cross multiply
    24,721.36x = 34,115.92 × 13,542.64
  4. Step 4: Simplify right side
    24,721.36x = 462,019,622.83
  5. Step 5: Solve for x
    x = 462,019,622.83/24,721.36
  6. Step 6: Final answer
    x = 18,689.09

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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.