Home / 18,221.36-27,332.04-14,067.42

Finding the Fourth Proportional to 18,221.36, 27,332.04 and 14,067.42

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Solution

The fourth proportional to 18,221.36, 27,332.04 and 14,067.42 is: 21,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.36 : 27,332.04 = 14,067.42 : x
  2. Step 2: Convert to fraction form
    18,221.36/27,332.04 = 14,067.42/x
  3. Step 3: Cross multiply
    18,221.36x = 27,332.04 × 14,067.42
  4. Step 4: Simplify right side
    18,221.36x = 384,491,286.14
  5. Step 5: Solve for x
    x = 384,491,286.14/18,221.36
  6. Step 6: Final answer
    x = 21,101.14

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1.5x scale

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.