Home / 45,282.35-67,933.11-13,694.78

Finding the Fourth Proportional to 45,282.35, 67,933.11 and 13,694.78

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Solution

The fourth proportional to 45,282.35, 67,933.11 and 13,694.78 is: 20,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.35 : 67,933.11 = 13,694.78 : x
  2. Step 2: Convert to fraction form
    45,282.35/67,933.11 = 13,694.78/x
  3. Step 3: Cross multiply
    45,282.35x = 67,933.11 × 13,694.78
  4. Step 4: Simplify right side
    45,282.35x = 930,328,996.17
  5. Step 5: Solve for x
    x = 930,328,996.17/45,282.35
  6. Step 6: Final answer
    x = 20,545.07

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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.