Home / 19,793.40-29,694.60-9,255.75

Finding the Fourth Proportional to 19,793.40, 29,694.60 and 9,255.75

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Solution

The fourth proportional to 19,793.40, 29,694.60 and 9,255.75 is: 13,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.40 : 29,694.60 = 9,255.75 : x
  2. Step 2: Convert to fraction form
    19,793.40/29,694.60 = 9,255.75/x
  3. Step 3: Cross multiply
    19,793.40x = 29,694.60 × 9,255.75
  4. Step 4: Simplify right side
    19,793.40x = 274,845,793.95
  5. Step 5: Solve for x
    x = 274,845,793.95/19,793.40
  6. Step 6: Final answer
    x = 13,885.73

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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.