Home / 19,747.92-27,252.31-11,249.92

Finding the Fourth Proportional to 19,747.92, 27,252.31 and 11,249.92

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Solution

The fourth proportional to 19,747.92, 27,252.31 and 11,249.92 is: 15,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.92 : 27,252.31 = 11,249.92 : x
  2. Step 2: Convert to fraction form
    19,747.92/27,252.31 = 11,249.92/x
  3. Step 3: Cross multiply
    19,747.92x = 27,252.31 × 11,249.92
  4. Step 4: Simplify right side
    19,747.92x = 306,586,142.93
  5. Step 5: Solve for x
    x = 306,586,142.93/19,747.92
  6. Step 6: Final answer
    x = 15,524.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.