Home / 38,651.56-58,003.26-13,691.80

Finding the Fourth Proportional to 38,651.56, 58,003.26 and 13,691.80

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Solution

The fourth proportional to 38,651.56, 58,003.26 and 13,691.80 is: 20,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.56 : 58,003.26 = 13,691.80 : x
  2. Step 2: Convert to fraction form
    38,651.56/58,003.26 = 13,691.80/x
  3. Step 3: Cross multiply
    38,651.56x = 58,003.26 × 13,691.80
  4. Step 4: Simplify right side
    38,651.56x = 794,169,035.27
  5. Step 5: Solve for x
    x = 794,169,035.27/38,651.56
  6. Step 6: Final answer
    x = 20,546.88

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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.