Home / 14,486.82-21,726.45-5,125.92

Finding the Fourth Proportional to 14,486.82, 21,726.45 and 5,125.92

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Solution

The fourth proportional to 14,486.82, 21,726.45 and 5,125.92 is: 7,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.82 : 21,726.45 = 5,125.92 : x
  2. Step 2: Convert to fraction form
    14,486.82/21,726.45 = 5,125.92/x
  3. Step 3: Cross multiply
    14,486.82x = 21,726.45 × 5,125.92
  4. Step 4: Simplify right side
    14,486.82x = 111,368,044.58
  5. Step 5: Solve for x
    x = 111,368,044.58/14,486.82
  6. Step 6: Final answer
    x = 7,687.54

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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.