Home / 25,194.20-34,768.31-13,865

Finding the Fourth Proportional to 25,194.20, 34,768.31 and 13,865

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Solution

The fourth proportional to 25,194.20, 34,768.31 and 13,865 is: 19,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,194.20 : 34,768.31 = 13,865 : x
  2. Step 2: Convert to fraction form
    25,194.20/34,768.31 = 13,865/x
  3. Step 3: Cross multiply
    25,194.20x = 34,768.31 × 13,865
  4. Step 4: Simplify right side
    25,194.20x = 482,062,618.15
  5. Step 5: Solve for x
    x = 482,062,618.15/25,194.20
  6. Step 6: Final answer
    x = 19,133.87

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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.