Home / 23,125.14-31,912.38-12,514.56

Finding the Fourth Proportional to 23,125.14, 31,912.38 and 12,514.56

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Solution

The fourth proportional to 23,125.14, 31,912.38 and 12,514.56 is: 17,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.14 : 31,912.38 = 12,514.56 : x
  2. Step 2: Convert to fraction form
    23,125.14/31,912.38 = 12,514.56/x
  3. Step 3: Cross multiply
    23,125.14x = 31,912.38 × 12,514.56
  4. Step 4: Simplify right side
    23,125.14x = 399,369,394.25
  5. Step 5: Solve for x
    x = 399,369,394.25/23,125.14
  6. Step 6: Final answer
    x = 17,269.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.