Home / 18,471.08-27,711.42-5,324.52

Finding the Fourth Proportional to 18,471.08, 27,711.42 and 5,324.52

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Solution

The fourth proportional to 18,471.08, 27,711.42 and 5,324.52 is: 7,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.08 : 27,711.42 = 5,324.52 : x
  2. Step 2: Convert to fraction form
    18,471.08/27,711.42 = 5,324.52/x
  3. Step 3: Cross multiply
    18,471.08x = 27,711.42 × 5,324.52
  4. Step 4: Simplify right side
    18,471.08x = 147,550,010.02
  5. Step 5: Solve for x
    x = 147,550,010.02/18,471.08
  6. Step 6: Final answer
    x = 7,988.16

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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.