Home / 12,414.47-18,625.55-3,982.23

Finding the Fourth Proportional to 12,414.47, 18,625.55 and 3,982.23

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Solution

The fourth proportional to 12,414.47, 18,625.55 and 3,982.23 is: 5,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.47 : 18,625.55 = 3,982.23 : x
  2. Step 2: Convert to fraction form
    12,414.47/18,625.55 = 3,982.23/x
  3. Step 3: Cross multiply
    12,414.47x = 18,625.55 × 3,982.23
  4. Step 4: Simplify right side
    12,414.47x = 74,171,204.07
  5. Step 5: Solve for x
    x = 74,171,204.07/12,414.47
  6. Step 6: Final answer
    x = 5,974.58

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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.