Home / 15,908.44-21,951.66-8,833.90

Finding the Fourth Proportional to 15,908.44, 21,951.66 and 8,833.90

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Solution

The fourth proportional to 15,908.44, 21,951.66 and 8,833.90 is: 12,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.44 : 21,951.66 = 8,833.90 : x
  2. Step 2: Convert to fraction form
    15,908.44/21,951.66 = 8,833.90/x
  3. Step 3: Cross multiply
    15,908.44x = 21,951.66 × 8,833.90
  4. Step 4: Simplify right side
    15,908.44x = 193,918,769.27
  5. Step 5: Solve for x
    x = 193,918,769.27/15,908.44
  6. Step 6: Final answer
    x = 12,189.68

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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.