Home / 13,493.89-20,228.49-4,724.02

Finding the Fourth Proportional to 13,493.89, 20,228.49 and 4,724.02

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Solution

The fourth proportional to 13,493.89, 20,228.49 and 4,724.02 is: 7,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.89 : 20,228.49 = 4,724.02 : x
  2. Step 2: Convert to fraction form
    13,493.89/20,228.49 = 4,724.02/x
  3. Step 3: Cross multiply
    13,493.89x = 20,228.49 × 4,724.02
  4. Step 4: Simplify right side
    13,493.89x = 95,559,791.33
  5. Step 5: Solve for x
    x = 95,559,791.33/13,493.89
  6. Step 6: Final answer
    x = 7,081.71

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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.