Home / 25,504.70-38,251.52-7,972.25

Finding the Fourth Proportional to 25,504.70, 38,251.52 and 7,972.25

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Solution

The fourth proportional to 25,504.70, 38,251.52 and 7,972.25 is: 11,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.70 : 38,251.52 = 7,972.25 : x
  2. Step 2: Convert to fraction form
    25,504.70/38,251.52 = 7,972.25/x
  3. Step 3: Cross multiply
    25,504.70x = 38,251.52 × 7,972.25
  4. Step 4: Simplify right side
    25,504.70x = 304,950,640.46
  5. Step 5: Solve for x
    x = 304,950,640.46/25,504.70
  6. Step 6: Final answer
    x = 11,956.64

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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.