Home / 13,584.42-20,376.66-3,723.84

Finding the Fourth Proportional to 13,584.42, 20,376.66 and 3,723.84

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Solution

The fourth proportional to 13,584.42, 20,376.66 and 3,723.84 is: 5,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.42 : 20,376.66 = 3,723.84 : x
  2. Step 2: Convert to fraction form
    13,584.42/20,376.66 = 3,723.84/x
  3. Step 3: Cross multiply
    13,584.42x = 20,376.66 × 3,723.84
  4. Step 4: Simplify right side
    13,584.42x = 75,879,421.57
  5. Step 5: Solve for x
    x = 75,879,421.57/13,584.42
  6. Step 6: Final answer
    x = 5,585.77

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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.