Home / 18,575.79-27,839.39-16,100.43

Finding the Fourth Proportional to 18,575.79, 27,839.39 and 16,100.43

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Solution

The fourth proportional to 18,575.79, 27,839.39 and 16,100.43 is: 24,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.79 : 27,839.39 = 16,100.43 : x
  2. Step 2: Convert to fraction form
    18,575.79/27,839.39 = 16,100.43/x
  3. Step 3: Cross multiply
    18,575.79x = 27,839.39 × 16,100.43
  4. Step 4: Simplify right side
    18,575.79x = 448,226,069.44
  5. Step 5: Solve for x
    x = 448,226,069.44/18,575.79
  6. Step 6: Final answer
    x = 24,129.58

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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.