Home / 22,105.80-33,153.90-7,311.24

Finding the Fourth Proportional to 22,105.80, 33,153.90 and 7,311.24

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Solution

The fourth proportional to 22,105.80, 33,153.90 and 7,311.24 is: 10,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.80 : 33,153.90 = 7,311.24 : x
  2. Step 2: Convert to fraction form
    22,105.80/33,153.90 = 7,311.24/x
  3. Step 3: Cross multiply
    22,105.80x = 33,153.90 × 7,311.24
  4. Step 4: Simplify right side
    22,105.80x = 242,396,119.84
  5. Step 5: Solve for x
    x = 242,396,119.84/22,105.80
  6. Step 6: Final answer
    x = 10,965.27

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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.