Home / 18,183.98-27,275.97-8,316.36

Finding the Fourth Proportional to 18,183.98, 27,275.97 and 8,316.36

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Solution

The fourth proportional to 18,183.98, 27,275.97 and 8,316.36 is: 12,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.98 : 27,275.97 = 8,316.36 : x
  2. Step 2: Convert to fraction form
    18,183.98/27,275.97 = 8,316.36/x
  3. Step 3: Cross multiply
    18,183.98x = 27,275.97 × 8,316.36
  4. Step 4: Simplify right side
    18,183.98x = 226,836,785.87
  5. Step 5: Solve for x
    x = 226,836,785.87/18,183.98
  6. Step 6: Final answer
    x = 12,474.54

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.