Home / 18,180.54-25,082.73-11,896.56

Finding the Fourth Proportional to 18,180.54, 25,082.73 and 11,896.56

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Solution

The fourth proportional to 18,180.54, 25,082.73 and 11,896.56 is: 16,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.54 : 25,082.73 = 11,896.56 : x
  2. Step 2: Convert to fraction form
    18,180.54/25,082.73 = 11,896.56/x
  3. Step 3: Cross multiply
    18,180.54x = 25,082.73 × 11,896.56
  4. Step 4: Simplify right side
    18,180.54x = 298,398,202.41
  5. Step 5: Solve for x
    x = 298,398,202.41/18,180.54
  6. Step 6: Final answer
    x = 16,413.05

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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.