Home / 20,608.96-30,872.22-9,500.44

Finding the Fourth Proportional to 20,608.96, 30,872.22 and 9,500.44

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Solution

The fourth proportional to 20,608.96, 30,872.22 and 9,500.44 is: 14,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.96 : 30,872.22 = 9,500.44 : x
  2. Step 2: Convert to fraction form
    20,608.96/30,872.22 = 9,500.44/x
  3. Step 3: Cross multiply
    20,608.96x = 30,872.22 × 9,500.44
  4. Step 4: Simplify right side
    20,608.96x = 293,299,673.78
  5. Step 5: Solve for x
    x = 293,299,673.78/20,608.96
  6. Step 6: Final answer
    x = 14,231.66

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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.