Home / 18,125.32-25,008.60-11,049.16

Finding the Fourth Proportional to 18,125.32, 25,008.60 and 11,049.16

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Solution

The fourth proportional to 18,125.32, 25,008.60 and 11,049.16 is: 15,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.32 : 25,008.60 = 11,049.16 : x
  2. Step 2: Convert to fraction form
    18,125.32/25,008.60 = 11,049.16/x
  3. Step 3: Cross multiply
    18,125.32x = 25,008.60 × 11,049.16
  4. Step 4: Simplify right side
    18,125.32x = 276,324,022.78
  5. Step 5: Solve for x
    x = 276,324,022.78/18,125.32
  6. Step 6: Final answer
    x = 15,245.19

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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.