Home / 17,488.52-26,211.54-8,115.80

Finding the Fourth Proportional to 17,488.52, 26,211.54 and 8,115.80

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Solution

The fourth proportional to 17,488.52, 26,211.54 and 8,115.80 is: 12,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.52 : 26,211.54 = 8,115.80 : x
  2. Step 2: Convert to fraction form
    17,488.52/26,211.54 = 8,115.80/x
  3. Step 3: Cross multiply
    17,488.52x = 26,211.54 × 8,115.80
  4. Step 4: Simplify right side
    17,488.52x = 212,727,616.33
  5. Step 5: Solve for x
    x = 212,727,616.33/17,488.52
  6. Step 6: Final answer
    x = 12,163.84

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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.