Home / 24,721.17-34,115.24-13,390.68

Finding the Fourth Proportional to 24,721.17, 34,115.24 and 13,390.68

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Solution

The fourth proportional to 24,721.17, 34,115.24 and 13,390.68 is: 18,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.17 : 34,115.24 = 13,390.68 : x
  2. Step 2: Convert to fraction form
    24,721.17/34,115.24 = 13,390.68/x
  3. Step 3: Cross multiply
    24,721.17x = 34,115.24 × 13,390.68
  4. Step 4: Simplify right side
    24,721.17x = 456,826,261.96
  5. Step 5: Solve for x
    x = 456,826,261.96/24,721.17
  6. Step 6: Final answer
    x = 18,479.15

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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.