Home / 20,592.68-28,537.48-20,198.84

Finding the Fourth Proportional to 20,592.68, 28,537.48 and 20,198.84

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Solution

The fourth proportional to 20,592.68, 28,537.48 and 20,198.84 is: 27,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.68 : 28,537.48 = 20,198.84 : x
  2. Step 2: Convert to fraction form
    20,592.68/28,537.48 = 20,198.84/x
  3. Step 3: Cross multiply
    20,592.68x = 28,537.48 × 20,198.84
  4. Step 4: Simplify right side
    20,592.68x = 576,423,992.52
  5. Step 5: Solve for x
    x = 576,423,992.52/20,592.68
  6. Step 6: Final answer
    x = 27,991.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.