Home / 22,161.52-33,237.82-8,116.76

Finding the Fourth Proportional to 22,161.52, 33,237.82 and 8,116.76

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Solution

The fourth proportional to 22,161.52, 33,237.82 and 8,116.76 is: 12,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.52 : 33,237.82 = 8,116.76 : x
  2. Step 2: Convert to fraction form
    22,161.52/33,237.82 = 8,116.76/x
  3. Step 3: Cross multiply
    22,161.52x = 33,237.82 × 8,116.76
  4. Step 4: Simplify right side
    22,161.52x = 269,783,268.12
  5. Step 5: Solve for x
    x = 269,783,268.12/22,161.52
  6. Step 6: Final answer
    x = 12,173.50

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Half scale
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Double scale
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Similar ratio
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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.