Home / 19,251.38-28,853.37-13,674.53

Finding the Fourth Proportional to 19,251.38, 28,853.37 and 13,674.53

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Solution

The fourth proportional to 19,251.38, 28,853.37 and 13,674.53 is: 20,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.38 : 28,853.37 = 13,674.53 : x
  2. Step 2: Convert to fraction form
    19,251.38/28,853.37 = 13,674.53/x
  3. Step 3: Cross multiply
    19,251.38x = 28,853.37 × 13,674.53
  4. Step 4: Simplify right side
    19,251.38x = 394,556,129.40
  5. Step 5: Solve for x
    x = 394,556,129.40/19,251.38
  6. Step 6: Final answer
    x = 20,494.96

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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.