Home / 16,532.87-22,815.54-8,979.29

Finding the Fourth Proportional to 16,532.87, 22,815.54 and 8,979.29

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Solution

The fourth proportional to 16,532.87, 22,815.54 and 8,979.29 is: 12,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,532.87 : 22,815.54 = 8,979.29 : x
  2. Step 2: Convert to fraction form
    16,532.87/22,815.54 = 8,979.29/x
  3. Step 3: Cross multiply
    16,532.87x = 22,815.54 × 8,979.29
  4. Step 4: Simplify right side
    16,532.87x = 204,867,236.09
  5. Step 5: Solve for x
    x = 204,867,236.09/16,532.87
  6. Step 6: Final answer
    x = 12,391.51

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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.