Home / 18,132.48-27,195.72-4,982.52

Finding the Fourth Proportional to 18,132.48, 27,195.72 and 4,982.52

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Solution

The fourth proportional to 18,132.48, 27,195.72 and 4,982.52 is: 7,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.48 : 27,195.72 = 4,982.52 : x
  2. Step 2: Convert to fraction form
    18,132.48/27,195.72 = 4,982.52/x
  3. Step 3: Cross multiply
    18,132.48x = 27,195.72 × 4,982.52
  4. Step 4: Simplify right side
    18,132.48x = 135,503,218.81
  5. Step 5: Solve for x
    x = 135,503,218.81/18,132.48
  6. Step 6: Final answer
    x = 7,472.96

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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.