Home / 25,371.56-38,060.98-7,842.75

Finding the Fourth Proportional to 25,371.56, 38,060.98 and 7,842.75

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Solution

The fourth proportional to 25,371.56, 38,060.98 and 7,842.75 is: 11,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.56 : 38,060.98 = 7,842.75 : x
  2. Step 2: Convert to fraction form
    25,371.56/38,060.98 = 7,842.75/x
  3. Step 3: Cross multiply
    25,371.56x = 38,060.98 × 7,842.75
  4. Step 4: Simplify right side
    25,371.56x = 298,502,731.29
  5. Step 5: Solve for x
    x = 298,502,731.29/25,371.56
  6. Step 6: Final answer
    x = 11,765.25

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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.