Home / 18,197.96-25,091.52-12,216.92

Finding the Fourth Proportional to 18,197.96, 25,091.52 and 12,216.92

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Solution

The fourth proportional to 18,197.96, 25,091.52 and 12,216.92 is: 16,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.96 : 25,091.52 = 12,216.92 : x
  2. Step 2: Convert to fraction form
    18,197.96/25,091.52 = 12,216.92/x
  3. Step 3: Cross multiply
    18,197.96x = 25,091.52 × 12,216.92
  4. Step 4: Simplify right side
    18,197.96x = 306,541,092.52
  5. Step 5: Solve for x
    x = 306,541,092.52/18,197.96
  6. Step 6: Final answer
    x = 16,844.81

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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.