Home / 16,490.87-22,757.35-8,937.19

Finding the Fourth Proportional to 16,490.87, 22,757.35 and 8,937.19

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Solution

The fourth proportional to 16,490.87, 22,757.35 and 8,937.19 is: 12,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.87 : 22,757.35 = 8,937.19 : x
  2. Step 2: Convert to fraction form
    16,490.87/22,757.35 = 8,937.19/x
  3. Step 3: Cross multiply
    16,490.87x = 22,757.35 × 8,937.19
  4. Step 4: Simplify right side
    16,490.87x = 203,386,760.85
  5. Step 5: Solve for x
    x = 203,386,760.85/16,490.87
  6. Step 6: Final answer
    x = 12,333.29

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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.