Home / 22,014.97-30,382.17-12,454.87

Finding the Fourth Proportional to 22,014.97, 30,382.17 and 12,454.87

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Solution

The fourth proportional to 22,014.97, 30,382.17 and 12,454.87 is: 17,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.97 : 30,382.17 = 12,454.87 : x
  2. Step 2: Convert to fraction form
    22,014.97/30,382.17 = 12,454.87/x
  3. Step 3: Cross multiply
    22,014.97x = 30,382.17 × 12,454.87
  4. Step 4: Simplify right side
    22,014.97x = 378,405,977.67
  5. Step 5: Solve for x
    x = 378,405,977.67/22,014.97
  6. Step 6: Final answer
    x = 17,188.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.