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Finding the Fourth Proportional to 15,963.72, 23,960.15 and 12,253.92

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Solution

The fourth proportional to 15,963.72, 23,960.15 and 12,253.92 is: 18,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.72 : 23,960.15 = 12,253.92 : x
  2. Step 2: Convert to fraction form
    15,963.72/23,960.15 = 12,253.92/x
  3. Step 3: Cross multiply
    15,963.72x = 23,960.15 × 12,253.92
  4. Step 4: Simplify right side
    15,963.72x = 293,605,761.29
  5. Step 5: Solve for x
    x = 293,605,761.29/15,963.72
  6. Step 6: Final answer
    x = 18,392.06

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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.