Home / 13,584.29-20,375.07-3,724.56

Finding the Fourth Proportional to 13,584.29, 20,375.07 and 3,724.56

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Solution

The fourth proportional to 13,584.29, 20,375.07 and 3,724.56 is: 5,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.29 : 20,375.07 = 3,724.56 : x
  2. Step 2: Convert to fraction form
    13,584.29/20,375.07 = 3,724.56/x
  3. Step 3: Cross multiply
    13,584.29x = 20,375.07 × 3,724.56
  4. Step 4: Simplify right side
    13,584.29x = 75,888,170.72
  5. Step 5: Solve for x
    x = 75,888,170.72/13,584.29
  6. Step 6: Final answer
    x = 5,586.47

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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.