Home / 38,897.55-58,358.61-13,936.98

Finding the Fourth Proportional to 38,897.55, 58,358.61 and 13,936.98

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Solution

The fourth proportional to 38,897.55, 58,358.61 and 13,936.98 is: 20,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.55 : 58,358.61 = 13,936.98 : x
  2. Step 2: Convert to fraction form
    38,897.55/58,358.61 = 13,936.98/x
  3. Step 3: Cross multiply
    38,897.55x = 58,358.61 × 13,936.98
  4. Step 4: Simplify right side
    38,897.55x = 813,342,780.40
  5. Step 5: Solve for x
    x = 813,342,780.40/38,897.55
  6. Step 6: Final answer
    x = 20,909.87

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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.