Home / 13,496.21-20,243.52-5,175.89

Finding the Fourth Proportional to 13,496.21, 20,243.52 and 5,175.89

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Solution

The fourth proportional to 13,496.21, 20,243.52 and 5,175.89 is: 7,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.21 : 20,243.52 = 5,175.89 : x
  2. Step 2: Convert to fraction form
    13,496.21/20,243.52 = 5,175.89/x
  3. Step 3: Cross multiply
    13,496.21x = 20,243.52 × 5,175.89
  4. Step 4: Simplify right side
    13,496.21x = 104,778,232.73
  5. Step 5: Solve for x
    x = 104,778,232.73/13,496.21
  6. Step 6: Final answer
    x = 7,763.53

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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.