Home / 22,190.98-33,266.68-8,147.79

Finding the Fourth Proportional to 22,190.98, 33,266.68 and 8,147.79

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Solution

The fourth proportional to 22,190.98, 33,266.68 and 8,147.79 is: 12,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.98 : 33,266.68 = 8,147.79 : x
  2. Step 2: Convert to fraction form
    22,190.98/33,266.68 = 8,147.79/x
  3. Step 3: Cross multiply
    22,190.98x = 33,266.68 × 8,147.79
  4. Step 4: Simplify right side
    22,190.98x = 271,049,948.10
  5. Step 5: Solve for x
    x = 271,049,948.10/22,190.98
  6. Step 6: Final answer
    x = 12,214.42

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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.