Home / 15,906.58-21,951.75-8,833.66

Finding the Fourth Proportional to 15,906.58, 21,951.75 and 8,833.66

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Solution

The fourth proportional to 15,906.58, 21,951.75 and 8,833.66 is: 12,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.58 : 21,951.75 = 8,833.66 : x
  2. Step 2: Convert to fraction form
    15,906.58/21,951.75 = 8,833.66/x
  3. Step 3: Cross multiply
    15,906.58x = 21,951.75 × 8,833.66
  4. Step 4: Simplify right side
    15,906.58x = 193,914,295.91
  5. Step 5: Solve for x
    x = 193,914,295.91/15,906.58
  6. Step 6: Final answer
    x = 12,190.82

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1.5x scale

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.