Home / 25,372.80-38,060.28-7,842.96

Finding the Fourth Proportional to 25,372.80, 38,060.28 and 7,842.96

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Solution

The fourth proportional to 25,372.80, 38,060.28 and 7,842.96 is: 11,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.80 : 38,060.28 = 7,842.96 : x
  2. Step 2: Convert to fraction form
    25,372.80/38,060.28 = 7,842.96/x
  3. Step 3: Cross multiply
    25,372.80x = 38,060.28 × 7,842.96
  4. Step 4: Simplify right side
    25,372.80x = 298,505,253.63
  5. Step 5: Solve for x
    x = 298,505,253.63/25,372.80
  6. Step 6: Final answer
    x = 11,764.77

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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.