Home / 19,553.48-26,983.10-11,591

Finding the Fourth Proportional to 19,553.48, 26,983.10 and 11,591

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Solution

The fourth proportional to 19,553.48, 26,983.10 and 11,591 is: 15,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.48 : 26,983.10 = 11,591 : x
  2. Step 2: Convert to fraction form
    19,553.48/26,983.10 = 11,591/x
  3. Step 3: Cross multiply
    19,553.48x = 26,983.10 × 11,591
  4. Step 4: Simplify right side
    19,553.48x = 312,761,112.10
  5. Step 5: Solve for x
    x = 312,761,112.10/19,553.48
  6. Step 6: Final answer
    x = 15,995.16

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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.