Home / 18,229.50-27,345.30-5,749.92

Finding the Fourth Proportional to 18,229.50, 27,345.30 and 5,749.92

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Solution

The fourth proportional to 18,229.50, 27,345.30 and 5,749.92 is: 8,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.50 : 27,345.30 = 5,749.92 : x
  2. Step 2: Convert to fraction form
    18,229.50/27,345.30 = 5,749.92/x
  3. Step 3: Cross multiply
    18,229.50x = 27,345.30 × 5,749.92
  4. Step 4: Simplify right side
    18,229.50x = 157,233,287.38
  5. Step 5: Solve for x
    x = 157,233,287.38/18,229.50
  6. Step 6: Final answer
    x = 8,625.21

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1.5x scale

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.