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Finding the Fourth Proportional to 18,130.14, 27,195.21 and 11,549.70

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Solution

The fourth proportional to 18,130.14, 27,195.21 and 11,549.70 is: 17,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.14 : 27,195.21 = 11,549.70 : x
  2. Step 2: Convert to fraction form
    18,130.14/27,195.21 = 11,549.70/x
  3. Step 3: Cross multiply
    18,130.14x = 27,195.21 × 11,549.70
  4. Step 4: Simplify right side
    18,130.14x = 314,096,516.94
  5. Step 5: Solve for x
    x = 314,096,516.94/18,130.14
  6. Step 6: Final answer
    x = 17,324.55

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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.