Home / 13,351.24-20,001.66-7,512.04

Finding the Fourth Proportional to 13,351.24, 20,001.66 and 7,512.04

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Solution

The fourth proportional to 13,351.24, 20,001.66 and 7,512.04 is: 11,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.24 : 20,001.66 = 7,512.04 : x
  2. Step 2: Convert to fraction form
    13,351.24/20,001.66 = 7,512.04/x
  3. Step 3: Cross multiply
    13,351.24x = 20,001.66 × 7,512.04
  4. Step 4: Simplify right side
    13,351.24x = 150,253,269.99
  5. Step 5: Solve for x
    x = 150,253,269.99/13,351.24
  6. Step 6: Final answer
    x = 11,253.88

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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.