Home / 18,932.33-28,367.10-11,514.35

Finding the Fourth Proportional to 18,932.33, 28,367.10 and 11,514.35

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Solution

The fourth proportional to 18,932.33, 28,367.10 and 11,514.35 is: 17,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.33 : 28,367.10 = 11,514.35 : x
  2. Step 2: Convert to fraction form
    18,932.33/28,367.10 = 11,514.35/x
  3. Step 3: Cross multiply
    18,932.33x = 28,367.10 × 11,514.35
  4. Step 4: Simplify right side
    18,932.33x = 326,628,788.80
  5. Step 5: Solve for x
    x = 326,628,788.80/18,932.33
  6. Step 6: Final answer
    x = 17,252.43

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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.