Home / 25,693.44-38,540.30-7,923.88

Finding the Fourth Proportional to 25,693.44, 38,540.30 and 7,923.88

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Solution

The fourth proportional to 25,693.44, 38,540.30 and 7,923.88 is: 11,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.44 : 38,540.30 = 7,923.88 : x
  2. Step 2: Convert to fraction form
    25,693.44/38,540.30 = 7,923.88/x
  3. Step 3: Cross multiply
    25,693.44x = 38,540.30 × 7,923.88
  4. Step 4: Simplify right side
    25,693.44x = 305,388,712.36
  5. Step 5: Solve for x
    x = 305,388,712.36/25,693.44
  6. Step 6: Final answer
    x = 11,885.86

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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.