Home / 23,243.11-34,865.05-12,171.42

Finding the Fourth Proportional to 23,243.11, 34,865.05 and 12,171.42

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Solution

The fourth proportional to 23,243.11, 34,865.05 and 12,171.42 is: 18,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,243.11 : 34,865.05 = 12,171.42 : x
  2. Step 2: Convert to fraction form
    23,243.11/34,865.05 = 12,171.42/x
  3. Step 3: Cross multiply
    23,243.11x = 34,865.05 × 12,171.42
  4. Step 4: Simplify right side
    23,243.11x = 424,357,159.26
  5. Step 5: Solve for x
    x = 424,357,159.26/23,243.11
  6. Step 6: Final answer
    x = 18,257.33

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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.