Home / 13,584.06-20,376.14-3,723.45

Finding the Fourth Proportional to 13,584.06, 20,376.14 and 3,723.45

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Solution

The fourth proportional to 13,584.06, 20,376.14 and 3,723.45 is: 5,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.06 : 20,376.14 = 3,723.45 : x
  2. Step 2: Convert to fraction form
    13,584.06/20,376.14 = 3,723.45/x
  3. Step 3: Cross multiply
    13,584.06x = 20,376.14 × 3,723.45
  4. Step 4: Simplify right side
    13,584.06x = 75,869,519.87
  5. Step 5: Solve for x
    x = 75,869,519.87/13,584.06
  6. Step 6: Final answer
    x = 5,585.19

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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.