Home / 16,532.70-22,815.12-8,979.02

Finding the Fourth Proportional to 16,532.70, 22,815.12 and 8,979.02

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Solution

The fourth proportional to 16,532.70, 22,815.12 and 8,979.02 is: 12,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,532.70 : 22,815.12 = 8,979.02 : x
  2. Step 2: Convert to fraction form
    16,532.70/22,815.12 = 8,979.02/x
  3. Step 3: Cross multiply
    16,532.70x = 22,815.12 × 8,979.02
  4. Step 4: Simplify right side
    16,532.70x = 204,857,418.78
  5. Step 5: Solve for x
    x = 204,857,418.78/16,532.70
  6. Step 6: Final answer
    x = 12,391.04

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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.