Home / 18,152.91-27,233.15-5,672.43

Finding the Fourth Proportional to 18,152.91, 27,233.15 and 5,672.43

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Solution

The fourth proportional to 18,152.91, 27,233.15 and 5,672.43 is: 8,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.91 : 27,233.15 = 5,672.43 : x
  2. Step 2: Convert to fraction form
    18,152.91/27,233.15 = 5,672.43/x
  3. Step 3: Cross multiply
    18,152.91x = 27,233.15 × 5,672.43
  4. Step 4: Simplify right side
    18,152.91x = 154,478,108.69
  5. Step 5: Solve for x
    x = 154,478,108.69/18,152.91
  6. Step 6: Final answer
    x = 8,509.83

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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.