Home / 22,752.50-34,144.12-7,961.55

Finding the Fourth Proportional to 22,752.50, 34,144.12 and 7,961.55

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Solution

The fourth proportional to 22,752.50, 34,144.12 and 7,961.55 is: 11,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.50 : 34,144.12 = 7,961.55 : x
  2. Step 2: Convert to fraction form
    22,752.50/34,144.12 = 7,961.55/x
  3. Step 3: Cross multiply
    22,752.50x = 34,144.12 × 7,961.55
  4. Step 4: Simplify right side
    22,752.50x = 271,839,955.71
  5. Step 5: Solve for x
    x = 271,839,955.71/22,752.50
  6. Step 6: Final answer
    x = 11,947.70

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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.