Home / 18,331.11-27,500.72-6,644.03

Finding the Fourth Proportional to 18,331.11, 27,500.72 and 6,644.03

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Solution

The fourth proportional to 18,331.11, 27,500.72 and 6,644.03 is: 9,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.11 : 27,500.72 = 6,644.03 : x
  2. Step 2: Convert to fraction form
    18,331.11/27,500.72 = 6,644.03/x
  3. Step 3: Cross multiply
    18,331.11x = 27,500.72 × 6,644.03
  4. Step 4: Simplify right side
    18,331.11x = 182,715,437.98
  5. Step 5: Solve for x
    x = 182,715,437.98/18,331.11
  6. Step 6: Final answer
    x = 9,967.51

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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.