Home / 20,251.38-27,926.46-13,537.02

Finding the Fourth Proportional to 20,251.38, 27,926.46 and 13,537.02

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Solution

The fourth proportional to 20,251.38, 27,926.46 and 13,537.02 is: 18,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.38 : 27,926.46 = 13,537.02 : x
  2. Step 2: Convert to fraction form
    20,251.38/27,926.46 = 13,537.02/x
  3. Step 3: Cross multiply
    20,251.38x = 27,926.46 × 13,537.02
  4. Step 4: Simplify right side
    20,251.38x = 378,041,047.55
  5. Step 5: Solve for x
    x = 378,041,047.55/20,251.38
  6. Step 6: Final answer
    x = 18,667.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.