Home / 18,112.56-27,177-11,537.04

Finding the Fourth Proportional to 18,112.56, 27,177 and 11,537.04

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Solution

The fourth proportional to 18,112.56, 27,177 and 11,537.04 is: 17,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.56 : 27,177 = 11,537.04 : x
  2. Step 2: Convert to fraction form
    18,112.56/27,177 = 11,537.04/x
  3. Step 3: Cross multiply
    18,112.56x = 27,177 × 11,537.04
  4. Step 4: Simplify right side
    18,112.56x = 313,542,136.08
  5. Step 5: Solve for x
    x = 313,542,136.08/18,112.56
  6. Step 6: Final answer
    x = 17,310.76

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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.