Home / 18,531.24-27,776.94-8,006.22

Finding the Fourth Proportional to 18,531.24, 27,776.94 and 8,006.22

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Solution

The fourth proportional to 18,531.24, 27,776.94 and 8,006.22 is: 12,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.24 : 27,776.94 = 8,006.22 : x
  2. Step 2: Convert to fraction form
    18,531.24/27,776.94 = 8,006.22/x
  3. Step 3: Cross multiply
    18,531.24x = 27,776.94 × 8,006.22
  4. Step 4: Simplify right side
    18,531.24x = 222,388,292.57
  5. Step 5: Solve for x
    x = 222,388,292.57/18,531.24
  6. Step 6: Final answer
    x = 12,000.72

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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.