Home / 18,660.15-25,750.62-10,162.37

Finding the Fourth Proportional to 18,660.15, 25,750.62 and 10,162.37

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Solution

The fourth proportional to 18,660.15, 25,750.62 and 10,162.37 is: 14,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.15 : 25,750.62 = 10,162.37 : x
  2. Step 2: Convert to fraction form
    18,660.15/25,750.62 = 10,162.37/x
  3. Step 3: Cross multiply
    18,660.15x = 25,750.62 × 10,162.37
  4. Step 4: Simplify right side
    18,660.15x = 261,687,199.42
  5. Step 5: Solve for x
    x = 261,687,199.42/18,660.15
  6. Step 6: Final answer
    x = 14,023.85

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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.