Home / 13,589.82-20,387.79-4,824.73

Finding the Fourth Proportional to 13,589.82, 20,387.79 and 4,824.73

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Solution

The fourth proportional to 13,589.82, 20,387.79 and 4,824.73 is: 7,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.82 : 20,387.79 = 4,824.73 : x
  2. Step 2: Convert to fraction form
    13,589.82/20,387.79 = 4,824.73/x
  3. Step 3: Cross multiply
    13,589.82x = 20,387.79 × 4,824.73
  4. Step 4: Simplify right side
    13,589.82x = 98,365,582.05
  5. Step 5: Solve for x
    x = 98,365,582.05/13,589.82
  6. Step 6: Final answer
    x = 7,238.18

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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.