Home / 25,454.88-38,194.47-12,299.94

Finding the Fourth Proportional to 25,454.88, 38,194.47 and 12,299.94

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Solution

The fourth proportional to 25,454.88, 38,194.47 and 12,299.94 is: 18,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.88 : 38,194.47 = 12,299.94 : x
  2. Step 2: Convert to fraction form
    25,454.88/38,194.47 = 12,299.94/x
  3. Step 3: Cross multiply
    25,454.88x = 38,194.47 × 12,299.94
  4. Step 4: Simplify right side
    25,454.88x = 469,789,689.33
  5. Step 5: Solve for x
    x = 469,789,689.33/25,454.88
  6. Step 6: Final answer
    x = 18,455.78

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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.