Home / 18,480.38-27,717.24-5,329.52

Finding the Fourth Proportional to 18,480.38, 27,717.24 and 5,329.52

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Solution

The fourth proportional to 18,480.38, 27,717.24 and 5,329.52 is: 7,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.38 : 27,717.24 = 5,329.52 : x
  2. Step 2: Convert to fraction form
    18,480.38/27,717.24 = 5,329.52/x
  3. Step 3: Cross multiply
    18,480.38x = 27,717.24 × 5,329.52
  4. Step 4: Simplify right side
    18,480.38x = 147,719,584.92
  5. Step 5: Solve for x
    x = 147,719,584.92/18,480.38
  6. Step 6: Final answer
    x = 7,993.32

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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.