Home / 43,732.20-65,581.92-14,142.12

Finding the Fourth Proportional to 43,732.20, 65,581.92 and 14,142.12

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Solution

The fourth proportional to 43,732.20, 65,581.92 and 14,142.12 is: 21,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,732.20 : 65,581.92 = 14,142.12 : x
  2. Step 2: Convert to fraction form
    43,732.20/65,581.92 = 14,142.12/x
  3. Step 3: Cross multiply
    43,732.20x = 65,581.92 × 14,142.12
  4. Step 4: Simplify right side
    43,732.20x = 927,467,382.47
  5. Step 5: Solve for x
    x = 927,467,382.47/43,732.20
  6. Step 6: Final answer
    x = 21,207.88

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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.