Home / 20,236.47-30,353.49-7,583.73

Finding the Fourth Proportional to 20,236.47, 30,353.49 and 7,583.73

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Solution

The fourth proportional to 20,236.47, 30,353.49 and 7,583.73 is: 11,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.47 : 30,353.49 = 7,583.73 : x
  2. Step 2: Convert to fraction form
    20,236.47/30,353.49 = 7,583.73/x
  3. Step 3: Cross multiply
    20,236.47x = 30,353.49 × 7,583.73
  4. Step 4: Simplify right side
    20,236.47x = 230,192,672.72
  5. Step 5: Solve for x
    x = 230,192,672.72/20,236.47
  6. Step 6: Final answer
    x = 11,375.14

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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.