Home / 34,616.22-51,926.82-12,429.78

Finding the Fourth Proportional to 34,616.22, 51,926.82 and 12,429.78

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Solution

The fourth proportional to 34,616.22, 51,926.82 and 12,429.78 is: 18,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,616.22 : 51,926.82 = 12,429.78 : x
  2. Step 2: Convert to fraction form
    34,616.22/51,926.82 = 12,429.78/x
  3. Step 3: Cross multiply
    34,616.22x = 51,926.82 × 12,429.78
  4. Step 4: Simplify right side
    34,616.22x = 645,438,948.70
  5. Step 5: Solve for x
    x = 645,438,948.70/34,616.22
  6. Step 6: Final answer
    x = 18,645.56

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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.