Home / 18,183.18-25,076.12-11,803.16

Finding the Fourth Proportional to 18,183.18, 25,076.12 and 11,803.16

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Solution

The fourth proportional to 18,183.18, 25,076.12 and 11,803.16 is: 16,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.18 : 25,076.12 = 11,803.16 : x
  2. Step 2: Convert to fraction form
    18,183.18/25,076.12 = 11,803.16/x
  3. Step 3: Cross multiply
    18,183.18x = 25,076.12 × 11,803.16
  4. Step 4: Simplify right side
    18,183.18x = 295,977,456.54
  5. Step 5: Solve for x
    x = 295,977,456.54/18,183.18
  6. Step 6: Final answer
    x = 16,277.54

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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.