Home / 19,839.21-27,377.17-10,886.52

Finding the Fourth Proportional to 19,839.21, 27,377.17 and 10,886.52

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Solution

The fourth proportional to 19,839.21, 27,377.17 and 10,886.52 is: 15,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.21 : 27,377.17 = 10,886.52 : x
  2. Step 2: Convert to fraction form
    19,839.21/27,377.17 = 10,886.52/x
  3. Step 3: Cross multiply
    19,839.21x = 27,377.17 × 10,886.52
  4. Step 4: Simplify right side
    19,839.21x = 298,042,108.75
  5. Step 5: Solve for x
    x = 298,042,108.75/19,839.21
  6. Step 6: Final answer
    x = 15,022.88

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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.