Home / 18,414.54-25,392.44-12,046.61

Finding the Fourth Proportional to 18,414.54, 25,392.44 and 12,046.61

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Solution

The fourth proportional to 18,414.54, 25,392.44 and 12,046.61 is: 16,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.54 : 25,392.44 = 12,046.61 : x
  2. Step 2: Convert to fraction form
    18,414.54/25,392.44 = 12,046.61/x
  3. Step 3: Cross multiply
    18,414.54x = 25,392.44 × 12,046.61
  4. Step 4: Simplify right side
    18,414.54x = 305,892,811.76
  5. Step 5: Solve for x
    x = 305,892,811.76/18,414.54
  6. Step 6: Final answer
    x = 16,611.48

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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.