Home / 18,800.10-25,944.13-11,246.75

Finding the Fourth Proportional to 18,800.10, 25,944.13 and 11,246.75

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Solution

The fourth proportional to 18,800.10, 25,944.13 and 11,246.75 is: 15,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.10 : 25,944.13 = 11,246.75 : x
  2. Step 2: Convert to fraction form
    18,800.10/25,944.13 = 11,246.75/x
  3. Step 3: Cross multiply
    18,800.10x = 25,944.13 × 11,246.75
  4. Step 4: Simplify right side
    18,800.10x = 291,787,014.36
  5. Step 5: Solve for x
    x = 291,787,014.36/18,800.10
  6. Step 6: Final answer
    x = 15,520.51

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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.