Home / 15,247.68-22,865.82-5,249.61

Finding the Fourth Proportional to 15,247.68, 22,865.82 and 5,249.61

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Solution

The fourth proportional to 15,247.68, 22,865.82 and 5,249.61 is: 7,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.68 : 22,865.82 = 5,249.61 : x
  2. Step 2: Convert to fraction form
    15,247.68/22,865.82 = 5,249.61/x
  3. Step 3: Cross multiply
    15,247.68x = 22,865.82 × 5,249.61
  4. Step 4: Simplify right side
    15,247.68x = 120,036,637.33
  5. Step 5: Solve for x
    x = 120,036,637.33/15,247.68
  6. Step 6: Final answer
    x = 7,872.45

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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.