Home / 14,711.20-20,301.02-7,996.65

Finding the Fourth Proportional to 14,711.20, 20,301.02 and 7,996.65

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Solution

The fourth proportional to 14,711.20, 20,301.02 and 7,996.65 is: 11,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.20 : 20,301.02 = 7,996.65 : x
  2. Step 2: Convert to fraction form
    14,711.20/20,301.02 = 7,996.65/x
  3. Step 3: Cross multiply
    14,711.20x = 20,301.02 × 7,996.65
  4. Step 4: Simplify right side
    14,711.20x = 162,340,010.09
  5. Step 5: Solve for x
    x = 162,340,010.09/14,711.20
  6. Step 6: Final answer
    x = 11,035.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.