Home / 15,982.20-24,002.10-11,604.60

Finding the Fourth Proportional to 15,982.20, 24,002.10 and 11,604.60

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Solution

The fourth proportional to 15,982.20, 24,002.10 and 11,604.60 is: 17,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.20 : 24,002.10 = 11,604.60 : x
  2. Step 2: Convert to fraction form
    15,982.20/24,002.10 = 11,604.60/x
  3. Step 3: Cross multiply
    15,982.20x = 24,002.10 × 11,604.60
  4. Step 4: Simplify right side
    15,982.20x = 278,534,769.66
  5. Step 5: Solve for x
    x = 278,534,769.66/15,982.20
  6. Step 6: Final answer
    x = 17,427.81

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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.