Home / 13,726.22-20,575.17-5,402.85

Finding the Fourth Proportional to 13,726.22, 20,575.17 and 5,402.85

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Solution

The fourth proportional to 13,726.22, 20,575.17 and 5,402.85 is: 8,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.22 : 20,575.17 = 5,402.85 : x
  2. Step 2: Convert to fraction form
    13,726.22/20,575.17 = 5,402.85/x
  3. Step 3: Cross multiply
    13,726.22x = 20,575.17 × 5,402.85
  4. Step 4: Simplify right side
    13,726.22x = 111,164,557.23
  5. Step 5: Solve for x
    x = 111,164,557.23/13,726.22
  6. Step 6: Final answer
    x = 8,098.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.