Home / 17,711.10-26,560.44-5,227.80

Finding the Fourth Proportional to 17,711.10, 26,560.44 and 5,227.80

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Solution

The fourth proportional to 17,711.10, 26,560.44 and 5,227.80 is: 7,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.10 : 26,560.44 = 5,227.80 : x
  2. Step 2: Convert to fraction form
    17,711.10/26,560.44 = 5,227.80/x
  3. Step 3: Cross multiply
    17,711.10x = 26,560.44 × 5,227.80
  4. Step 4: Simplify right side
    17,711.10x = 138,852,668.23
  5. Step 5: Solve for x
    x = 138,852,668.23/17,711.10
  6. Step 6: Final answer
    x = 7,839.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.