Home / 25,895.91-38,796.84-11,867.61

Finding the Fourth Proportional to 25,895.91, 38,796.84 and 11,867.61

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Solution

The fourth proportional to 25,895.91, 38,796.84 and 11,867.61 is: 17,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.91 : 38,796.84 = 11,867.61 : x
  2. Step 2: Convert to fraction form
    25,895.91/38,796.84 = 11,867.61/x
  3. Step 3: Cross multiply
    25,895.91x = 38,796.84 × 11,867.61
  4. Step 4: Simplify right side
    25,895.91x = 460,425,766.35
  5. Step 5: Solve for x
    x = 460,425,766.35/25,895.91
  6. Step 6: Final answer
    x = 17,779.86

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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.