Home / 22,144.51-33,221.70-8,104.23

Finding the Fourth Proportional to 22,144.51, 33,221.70 and 8,104.23

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Solution

The fourth proportional to 22,144.51, 33,221.70 and 8,104.23 is: 12,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.51 : 33,221.70 = 8,104.23 : x
  2. Step 2: Convert to fraction form
    22,144.51/33,221.70 = 8,104.23/x
  3. Step 3: Cross multiply
    22,144.51x = 33,221.70 × 8,104.23
  4. Step 4: Simplify right side
    22,144.51x = 269,236,289.53
  5. Step 5: Solve for x
    x = 269,236,289.53/22,144.51
  6. Step 6: Final answer
    x = 12,158.15

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Double scale
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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.