Home / 18,097.20-27,149.37-8,743.71

Finding the Fourth Proportional to 18,097.20, 27,149.37 and 8,743.71

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Solution

The fourth proportional to 18,097.20, 27,149.37 and 8,743.71 is: 13,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.20 : 27,149.37 = 8,743.71 : x
  2. Step 2: Convert to fraction form
    18,097.20/27,149.37 = 8,743.71/x
  3. Step 3: Cross multiply
    18,097.20x = 27,149.37 × 8,743.71
  4. Step 4: Simplify right side
    18,097.20x = 237,386,217.96
  5. Step 5: Solve for x
    x = 237,386,217.96/18,097.20
  6. Step 6: Final answer
    x = 13,117.29

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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.