Home / 22,207.62-33,310.05-7,415.30

Finding the Fourth Proportional to 22,207.62, 33,310.05 and 7,415.30

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Solution

The fourth proportional to 22,207.62, 33,310.05 and 7,415.30 is: 11,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.62 : 33,310.05 = 7,415.30 : x
  2. Step 2: Convert to fraction form
    22,207.62/33,310.05 = 7,415.30/x
  3. Step 3: Cross multiply
    22,207.62x = 33,310.05 × 7,415.30
  4. Step 4: Simplify right side
    22,207.62x = 247,003,847.21
  5. Step 5: Solve for x
    x = 247,003,847.21/22,207.62
  6. Step 6: Final answer
    x = 11,122.48

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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.