Home / 19,732.61-27,231.03-10,780.27

Finding the Fourth Proportional to 19,732.61, 27,231.03 and 10,780.27

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Solution

The fourth proportional to 19,732.61, 27,231.03 and 10,780.27 is: 14,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.61 : 27,231.03 = 10,780.27 : x
  2. Step 2: Convert to fraction form
    19,732.61/27,231.03 = 10,780.27/x
  3. Step 3: Cross multiply
    19,732.61x = 27,231.03 × 10,780.27
  4. Step 4: Simplify right side
    19,732.61x = 293,557,719.62
  5. Step 5: Solve for x
    x = 293,557,719.62/19,732.61
  6. Step 6: Final answer
    x = 14,876.78

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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.