Home / 14,067.28-21,100.51-3,679.03

Finding the Fourth Proportional to 14,067.28, 21,100.51 and 3,679.03

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Solution

The fourth proportional to 14,067.28, 21,100.51 and 3,679.03 is: 5,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.28 : 21,100.51 = 3,679.03 : x
  2. Step 2: Convert to fraction form
    14,067.28/21,100.51 = 3,679.03/x
  3. Step 3: Cross multiply
    14,067.28x = 21,100.51 × 3,679.03
  4. Step 4: Simplify right side
    14,067.28x = 77,629,409.31
  5. Step 5: Solve for x
    x = 77,629,409.31/14,067.28
  6. Step 6: Final answer
    x = 5,518.44

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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.