Home / 18,675.68-25,772.55-10,717.97

Finding the Fourth Proportional to 18,675.68, 25,772.55 and 10,717.97

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Solution

The fourth proportional to 18,675.68, 25,772.55 and 10,717.97 is: 14,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.68 : 25,772.55 = 10,717.97 : x
  2. Step 2: Convert to fraction form
    18,675.68/25,772.55 = 10,717.97/x
  3. Step 3: Cross multiply
    18,675.68x = 25,772.55 × 10,717.97
  4. Step 4: Simplify right side
    18,675.68x = 276,229,288.86
  5. Step 5: Solve for x
    x = 276,229,288.86/18,675.68
  6. Step 6: Final answer
    x = 14,790.85

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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.