Home / 39,965.20-59,947.79-11,885.14

Finding the Fourth Proportional to 39,965.20, 59,947.79 and 11,885.14

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Solution

The fourth proportional to 39,965.20, 59,947.79 and 11,885.14 is: 17,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.20 : 59,947.79 = 11,885.14 : x
  2. Step 2: Convert to fraction form
    39,965.20/59,947.79 = 11,885.14/x
  3. Step 3: Cross multiply
    39,965.20x = 59,947.79 × 11,885.14
  4. Step 4: Simplify right side
    39,965.20x = 712,487,817.41
  5. Step 5: Solve for x
    x = 712,487,817.41/39,965.20
  6. Step 6: Final answer
    x = 17,827.71

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Similar ratio
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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.