Home / 22,160.61-33,231.15-8,299.89

Finding the Fourth Proportional to 22,160.61, 33,231.15 and 8,299.89

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Solution

The fourth proportional to 22,160.61, 33,231.15 and 8,299.89 is: 12,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.61 : 33,231.15 = 8,299.89 : x
  2. Step 2: Convert to fraction form
    22,160.61/33,231.15 = 8,299.89/x
  3. Step 3: Cross multiply
    22,160.61x = 33,231.15 × 8,299.89
  4. Step 4: Simplify right side
    22,160.61x = 275,814,889.57
  5. Step 5: Solve for x
    x = 275,814,889.57/22,160.61
  6. Step 6: Final answer
    x = 12,446.18

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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.