Home / 13,724.65-20,589.99-4,367.53

Finding the Fourth Proportional to 13,724.65, 20,589.99 and 4,367.53

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Solution

The fourth proportional to 13,724.65, 20,589.99 and 4,367.53 is: 6,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.65 : 20,589.99 = 4,367.53 : x
  2. Step 2: Convert to fraction form
    13,724.65/20,589.99 = 4,367.53/x
  3. Step 3: Cross multiply
    13,724.65x = 20,589.99 × 4,367.53
  4. Step 4: Simplify right side
    13,724.65x = 89,927,399.02
  5. Step 5: Solve for x
    x = 89,927,399.02/13,724.65
  6. Step 6: Final answer
    x = 6,552.25

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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.