Home / 22,255.10-33,371.87-8,221.73

Finding the Fourth Proportional to 22,255.10, 33,371.87 and 8,221.73

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Solution

The fourth proportional to 22,255.10, 33,371.87 and 8,221.73 is: 12,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.10 : 33,371.87 = 8,221.73 : x
  2. Step 2: Convert to fraction form
    22,255.10/33,371.87 = 8,221.73/x
  3. Step 3: Cross multiply
    22,255.10x = 33,371.87 × 8,221.73
  4. Step 4: Simplify right side
    22,255.10x = 274,374,608.72
  5. Step 5: Solve for x
    x = 274,374,608.72/22,255.10
  6. Step 6: Final answer
    x = 12,328.62

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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.