Home / 12,343.73-18,517.52-4,021.81

Finding the Fourth Proportional to 12,343.73, 18,517.52 and 4,021.81

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Solution

The fourth proportional to 12,343.73, 18,517.52 and 4,021.81 is: 6,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.73 : 18,517.52 = 4,021.81 : x
  2. Step 2: Convert to fraction form
    12,343.73/18,517.52 = 4,021.81/x
  3. Step 3: Cross multiply
    12,343.73x = 18,517.52 × 4,021.81
  4. Step 4: Simplify right side
    12,343.73x = 74,473,834.41
  5. Step 5: Solve for x
    x = 74,473,834.41/12,343.73
  6. Step 6: Final answer
    x = 6,033.34

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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.