Home / 13,336.75-20,003.28-3,475.23

Finding the Fourth Proportional to 13,336.75, 20,003.28 and 3,475.23

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Solution

The fourth proportional to 13,336.75, 20,003.28 and 3,475.23 is: 5,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.75 : 20,003.28 = 3,475.23 : x
  2. Step 2: Convert to fraction form
    13,336.75/20,003.28 = 3,475.23/x
  3. Step 3: Cross multiply
    13,336.75x = 20,003.28 × 3,475.23
  4. Step 4: Simplify right side
    13,336.75x = 69,515,998.75
  5. Step 5: Solve for x
    x = 69,515,998.75/13,336.75
  6. Step 6: Final answer
    x = 5,212.36

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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.