Home / 18,660.45-25,752.03-10,162.92

Finding the Fourth Proportional to 18,660.45, 25,752.03 and 10,162.92

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Solution

The fourth proportional to 18,660.45, 25,752.03 and 10,162.92 is: 14,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.45 : 25,752.03 = 10,162.92 : x
  2. Step 2: Convert to fraction form
    18,660.45/25,752.03 = 10,162.92/x
  3. Step 3: Cross multiply
    18,660.45x = 25,752.03 × 10,162.92
  4. Step 4: Simplify right side
    18,660.45x = 261,715,820.73
  5. Step 5: Solve for x
    x = 261,715,820.73/18,660.45
  6. Step 6: Final answer
    x = 14,025.16

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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.