Home / 15,178.62-22,775.49-8,510.97

Finding the Fourth Proportional to 15,178.62, 22,775.49 and 8,510.97

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Solution

The fourth proportional to 15,178.62, 22,775.49 and 8,510.97 is: 12,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.62 : 22,775.49 = 8,510.97 : x
  2. Step 2: Convert to fraction form
    15,178.62/22,775.49 = 8,510.97/x
  3. Step 3: Cross multiply
    15,178.62x = 22,775.49 × 8,510.97
  4. Step 4: Simplify right side
    15,178.62x = 193,841,512.13
  5. Step 5: Solve for x
    x = 193,841,512.13/15,178.62
  6. Step 6: Final answer
    x = 12,770.69

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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.