Home / 15,793.20-23,689.79-5,404.95

Finding the Fourth Proportional to 15,793.20, 23,689.79 and 5,404.95

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Solution

The fourth proportional to 15,793.20, 23,689.79 and 5,404.95 is: 8,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.20 : 23,689.79 = 5,404.95 : x
  2. Step 2: Convert to fraction form
    15,793.20/23,689.79 = 5,404.95/x
  3. Step 3: Cross multiply
    15,793.20x = 23,689.79 × 5,404.95
  4. Step 4: Simplify right side
    15,793.20x = 128,042,103.44
  5. Step 5: Solve for x
    x = 128,042,103.44/15,793.20
  6. Step 6: Final answer
    x = 8,107.42

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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.