Home / 15,789.66-23,677.60-8,392.34

Finding the Fourth Proportional to 15,789.66, 23,677.60 and 8,392.34

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Solution

The fourth proportional to 15,789.66, 23,677.60 and 8,392.34 is: 12,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.66 : 23,677.60 = 8,392.34 : x
  2. Step 2: Convert to fraction form
    15,789.66/23,677.60 = 8,392.34/x
  3. Step 3: Cross multiply
    15,789.66x = 23,677.60 × 8,392.34
  4. Step 4: Simplify right side
    15,789.66x = 198,710,469.58
  5. Step 5: Solve for x
    x = 198,710,469.58/15,789.66
  6. Step 6: Final answer
    x = 12,584.85

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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.