Home / 18,743.91-28,159.44-17,736.13

Finding the Fourth Proportional to 18,743.91, 28,159.44 and 17,736.13

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Solution

The fourth proportional to 18,743.91, 28,159.44 and 17,736.13 is: 26,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.91 : 28,159.44 = 17,736.13 : x
  2. Step 2: Convert to fraction form
    18,743.91/28,159.44 = 17,736.13/x
  3. Step 3: Cross multiply
    18,743.91x = 28,159.44 × 17,736.13
  4. Step 4: Simplify right side
    18,743.91x = 499,439,488.57
  5. Step 5: Solve for x
    x = 499,439,488.57/18,743.91
  6. Step 6: Final answer
    x = 26,645.43

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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.