Home / 16,176.78-22,257.18-12,633.84

Finding the Fourth Proportional to 16,176.78, 22,257.18 and 12,633.84

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Solution

The fourth proportional to 16,176.78, 22,257.18 and 12,633.84 is: 17,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,176.78 : 22,257.18 = 12,633.84 : x
  2. Step 2: Convert to fraction form
    16,176.78/22,257.18 = 12,633.84/x
  3. Step 3: Cross multiply
    16,176.78x = 22,257.18 × 12,633.84
  4. Step 4: Simplify right side
    16,176.78x = 281,193,650.97
  5. Step 5: Solve for x
    x = 281,193,650.97/16,176.78
  6. Step 6: Final answer
    x = 17,382.55

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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.