Home / 14,043.73-21,067.76-5,279.26

Finding the Fourth Proportional to 14,043.73, 21,067.76 and 5,279.26

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Solution

The fourth proportional to 14,043.73, 21,067.76 and 5,279.26 is: 7,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.73 : 21,067.76 = 5,279.26 : x
  2. Step 2: Convert to fraction form
    14,043.73/21,067.76 = 5,279.26/x
  3. Step 3: Cross multiply
    14,043.73x = 21,067.76 × 5,279.26
  4. Step 4: Simplify right side
    14,043.73x = 111,222,182.66
  5. Step 5: Solve for x
    x = 111,222,182.66/14,043.73
  6. Step 6: Final answer
    x = 7,919.70

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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.