Home / 18,660.24-25,750.62-10,162.18

Finding the Fourth Proportional to 18,660.24, 25,750.62 and 10,162.18

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Solution

The fourth proportional to 18,660.24, 25,750.62 and 10,162.18 is: 14,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.24 : 25,750.62 = 10,162.18 : x
  2. Step 2: Convert to fraction form
    18,660.24/25,750.62 = 10,162.18/x
  3. Step 3: Cross multiply
    18,660.24x = 25,750.62 × 10,162.18
  4. Step 4: Simplify right side
    18,660.24x = 261,682,384.74
  5. Step 5: Solve for x
    x = 261,682,384.74/18,660.24
  6. Step 6: Final answer
    x = 14,023.53

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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.