Home / 25,722.18-38,586.97-7,954.23

Finding the Fourth Proportional to 25,722.18, 38,586.97 and 7,954.23

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Solution

The fourth proportional to 25,722.18, 38,586.97 and 7,954.23 is: 11,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.18 : 38,586.97 = 7,954.23 : x
  2. Step 2: Convert to fraction form
    25,722.18/38,586.97 = 7,954.23/x
  3. Step 3: Cross multiply
    25,722.18x = 38,586.97 × 7,954.23
  4. Step 4: Simplify right side
    25,722.18x = 306,929,634.38
  5. Step 5: Solve for x
    x = 306,929,634.38/25,722.18
  6. Step 6: Final answer
    x = 11,932.49

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Double scale
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Similar ratio
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1.5x scale

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.