Home / 18,247.62-25,181.15-10,289.73

Finding the Fourth Proportional to 18,247.62, 25,181.15 and 10,289.73

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Solution

The fourth proportional to 18,247.62, 25,181.15 and 10,289.73 is: 14,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.62 : 25,181.15 = 10,289.73 : x
  2. Step 2: Convert to fraction form
    18,247.62/25,181.15 = 10,289.73/x
  3. Step 3: Cross multiply
    18,247.62x = 25,181.15 × 10,289.73
  4. Step 4: Simplify right side
    18,247.62x = 259,107,183.14
  5. Step 5: Solve for x
    x = 259,107,183.14/18,247.62
  6. Step 6: Final answer
    x = 14,199.51

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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.