Home / 18,576.20-27,881.94-11,534.87

Finding the Fourth Proportional to 18,576.20, 27,881.94 and 11,534.87

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Solution

The fourth proportional to 18,576.20, 27,881.94 and 11,534.87 is: 17,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.20 : 27,881.94 = 11,534.87 : x
  2. Step 2: Convert to fraction form
    18,576.20/27,881.94 = 11,534.87/x
  3. Step 3: Cross multiply
    18,576.20x = 27,881.94 × 11,534.87
  4. Step 4: Simplify right side
    18,576.20x = 321,614,553.25
  5. Step 5: Solve for x
    x = 321,614,553.25/18,576.20
  6. Step 6: Final answer
    x = 17,313.26

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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.