Home / 20,249.16-27,943.88-11,296.43

Finding the Fourth Proportional to 20,249.16, 27,943.88 and 11,296.43

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Solution

The fourth proportional to 20,249.16, 27,943.88 and 11,296.43 is: 15,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.16 : 27,943.88 = 11,296.43 : x
  2. Step 2: Convert to fraction form
    20,249.16/27,943.88 = 11,296.43/x
  3. Step 3: Cross multiply
    20,249.16x = 27,943.88 × 11,296.43
  4. Step 4: Simplify right side
    20,249.16x = 315,666,084.35
  5. Step 5: Solve for x
    x = 315,666,084.35/20,249.16
  6. Step 6: Final answer
    x = 15,589.10

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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.