Home / 13,726.13-20,589.05-3,337.89

Finding the Fourth Proportional to 13,726.13, 20,589.05 and 3,337.89

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Solution

The fourth proportional to 13,726.13, 20,589.05 and 3,337.89 is: 5,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.13 : 20,589.05 = 3,337.89 : x
  2. Step 2: Convert to fraction form
    13,726.13/20,589.05 = 3,337.89/x
  3. Step 3: Cross multiply
    13,726.13x = 20,589.05 × 3,337.89
  4. Step 4: Simplify right side
    13,726.13x = 68,723,967.42
  5. Step 5: Solve for x
    x = 68,723,967.42/13,726.13
  6. Step 6: Final answer
    x = 5,006.80

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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.