Home / 24,721.34-34,115.24-13,390.58

Finding the Fourth Proportional to 24,721.34, 34,115.24 and 13,390.58

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Solution

The fourth proportional to 24,721.34, 34,115.24 and 13,390.58 is: 18,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.34 : 34,115.24 = 13,390.58 : x
  2. Step 2: Convert to fraction form
    24,721.34/34,115.24 = 13,390.58/x
  3. Step 3: Cross multiply
    24,721.34x = 34,115.24 × 13,390.58
  4. Step 4: Simplify right side
    24,721.34x = 456,822,679.86
  5. Step 5: Solve for x
    x = 456,822,679.86/24,721.34
  6. Step 6: Final answer
    x = 18,478.88

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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.