Home / 16,079.04-22,183.20-9,789.12

Finding the Fourth Proportional to 16,079.04, 22,183.20 and 9,789.12

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Solution

The fourth proportional to 16,079.04, 22,183.20 and 9,789.12 is: 13,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.04 : 22,183.20 = 9,789.12 : x
  2. Step 2: Convert to fraction form
    16,079.04/22,183.20 = 9,789.12/x
  3. Step 3: Cross multiply
    16,079.04x = 22,183.20 × 9,789.12
  4. Step 4: Simplify right side
    16,079.04x = 217,154,006.78
  5. Step 5: Solve for x
    x = 217,154,006.78/16,079.04
  6. Step 6: Final answer
    x = 13,505.41

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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.