Home / 18,183.40-25,092.66-11,895.64

Finding the Fourth Proportional to 18,183.40, 25,092.66 and 11,895.64

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Solution

The fourth proportional to 18,183.40, 25,092.66 and 11,895.64 is: 16,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.40 : 25,092.66 = 11,895.64 : x
  2. Step 2: Convert to fraction form
    18,183.40/25,092.66 = 11,895.64/x
  3. Step 3: Cross multiply
    18,183.40x = 25,092.66 × 11,895.64
  4. Step 4: Simplify right side
    18,183.40x = 298,493,250.00
  5. Step 5: Solve for x
    x = 298,493,250.00/18,183.40
  6. Step 6: Final answer
    x = 16,415.70

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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.