Home / 14,043.36-21,067.86-5,723.28

Finding the Fourth Proportional to 14,043.36, 21,067.86 and 5,723.28

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Solution

The fourth proportional to 14,043.36, 21,067.86 and 5,723.28 is: 8,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.36 : 21,067.86 = 5,723.28 : x
  2. Step 2: Convert to fraction form
    14,043.36/21,067.86 = 5,723.28/x
  3. Step 3: Cross multiply
    14,043.36x = 21,067.86 × 5,723.28
  4. Step 4: Simplify right side
    14,043.36x = 120,577,261.78
  5. Step 5: Solve for x
    x = 120,577,261.78/14,043.36
  6. Step 6: Final answer
    x = 8,586.07

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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.