Home / 18,183.68-25,093.20-12,206.08

Finding the Fourth Proportional to 18,183.68, 25,093.20 and 12,206.08

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Solution

The fourth proportional to 18,183.68, 25,093.20 and 12,206.08 is: 16,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.68 : 25,093.20 = 12,206.08 : x
  2. Step 2: Convert to fraction form
    18,183.68/25,093.20 = 12,206.08/x
  3. Step 3: Cross multiply
    18,183.68x = 25,093.20 × 12,206.08
  4. Step 4: Simplify right side
    18,183.68x = 306,289,606.66
  5. Step 5: Solve for x
    x = 306,289,606.66/18,183.68
  6. Step 6: Final answer
    x = 16,844.20

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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.