Home / 22,170.96-33,261.40-8,320.08

Finding the Fourth Proportional to 22,170.96, 33,261.40 and 8,320.08

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Solution

The fourth proportional to 22,170.96, 33,261.40 and 8,320.08 is: 12,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.96 : 33,261.40 = 8,320.08 : x
  2. Step 2: Convert to fraction form
    22,170.96/33,261.40 = 8,320.08/x
  3. Step 3: Cross multiply
    22,170.96x = 33,261.40 × 8,320.08
  4. Step 4: Simplify right side
    22,170.96x = 276,737,508.91
  5. Step 5: Solve for x
    x = 276,737,508.91/22,170.96
  6. Step 6: Final answer
    x = 12,481.98

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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.