Home / 13,584.60-20,376.66-3,724.05

Finding the Fourth Proportional to 13,584.60, 20,376.66 and 3,724.05

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Solution

The fourth proportional to 13,584.60, 20,376.66 and 3,724.05 is: 5,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.60 : 20,376.66 = 3,724.05 : x
  2. Step 2: Convert to fraction form
    13,584.60/20,376.66 = 3,724.05/x
  3. Step 3: Cross multiply
    13,584.60x = 20,376.66 × 3,724.05
  4. Step 4: Simplify right side
    13,584.60x = 75,883,700.67
  5. Step 5: Solve for x
    x = 75,883,700.67/13,584.60
  6. Step 6: Final answer
    x = 5,586.01

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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.