Home / 17,591.72-26,390.16-5,110.11

Finding the Fourth Proportional to 17,591.72, 26,390.16 and 5,110.11

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Solution

The fourth proportional to 17,591.72, 26,390.16 and 5,110.11 is: 7,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.72 : 26,390.16 = 5,110.11 : x
  2. Step 2: Convert to fraction form
    17,591.72/26,390.16 = 5,110.11/x
  3. Step 3: Cross multiply
    17,591.72x = 26,390.16 × 5,110.11
  4. Step 4: Simplify right side
    17,591.72x = 134,856,620.52
  5. Step 5: Solve for x
    x = 134,856,620.52/17,591.72
  6. Step 6: Final answer
    x = 7,665.92

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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.