Home / 22,178.05-33,265.17-8,137.51

Finding the Fourth Proportional to 22,178.05, 33,265.17 and 8,137.51

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Solution

The fourth proportional to 22,178.05, 33,265.17 and 8,137.51 is: 12,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.05 : 33,265.17 = 8,137.51 : x
  2. Step 2: Convert to fraction form
    22,178.05/33,265.17 = 8,137.51/x
  3. Step 3: Cross multiply
    22,178.05x = 33,265.17 × 8,137.51
  4. Step 4: Simplify right side
    22,178.05x = 270,695,487.20
  5. Step 5: Solve for x
    x = 270,695,487.20/22,178.05
  6. Step 6: Final answer
    x = 12,205.56

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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.