Home / 16,251.68-22,433.28-12,700.64

Finding the Fourth Proportional to 16,251.68, 22,433.28 and 12,700.64

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Solution

The fourth proportional to 16,251.68, 22,433.28 and 12,700.64 is: 17,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.68 : 22,433.28 = 12,700.64 : x
  2. Step 2: Convert to fraction form
    16,251.68/22,433.28 = 12,700.64/x
  3. Step 3: Cross multiply
    16,251.68x = 22,433.28 × 12,700.64
  4. Step 4: Simplify right side
    16,251.68x = 284,917,013.30
  5. Step 5: Solve for x
    x = 284,917,013.30/16,251.68
  6. Step 6: Final answer
    x = 17,531.54

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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.