Home / 13,724.91-20,586.56-3,863.97

Finding the Fourth Proportional to 13,724.91, 20,586.56 and 3,863.97

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Solution

The fourth proportional to 13,724.91, 20,586.56 and 3,863.97 is: 5,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.91 : 20,586.56 = 3,863.97 : x
  2. Step 2: Convert to fraction form
    13,724.91/20,586.56 = 3,863.97/x
  3. Step 3: Cross multiply
    13,724.91x = 20,586.56 × 3,863.97
  4. Step 4: Simplify right side
    13,724.91x = 79,545,830.92
  5. Step 5: Solve for x
    x = 79,545,830.92/13,724.91
  6. Step 6: Final answer
    x = 5,795.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.