Home / 14,251.92-19,665.72-7,963.44

Finding the Fourth Proportional to 14,251.92, 19,665.72 and 7,963.44

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Solution

The fourth proportional to 14,251.92, 19,665.72 and 7,963.44 is: 10,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.92 : 19,665.72 = 7,963.44 : x
  2. Step 2: Convert to fraction form
    14,251.92/19,665.72 = 7,963.44/x
  3. Step 3: Cross multiply
    14,251.92x = 19,665.72 × 7,963.44
  4. Step 4: Simplify right side
    14,251.92x = 156,606,781.28
  5. Step 5: Solve for x
    x = 156,606,781.28/14,251.92
  6. Step 6: Final answer
    x = 10,988.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.