Home / 23,120.76-34,681.11-5,590.61

Finding the Fourth Proportional to 23,120.76, 34,681.11 and 5,590.61

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Solution

The fourth proportional to 23,120.76, 34,681.11 and 5,590.61 is: 8,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.76 : 34,681.11 = 5,590.61 : x
  2. Step 2: Convert to fraction form
    23,120.76/34,681.11 = 5,590.61/x
  3. Step 3: Cross multiply
    23,120.76x = 34,681.11 × 5,590.61
  4. Step 4: Simplify right side
    23,120.76x = 193,888,560.38
  5. Step 5: Solve for x
    x = 193,888,560.38/23,120.76
  6. Step 6: Final answer
    x = 8,385.91

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1.5x scale

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.