Home / 20,238.14-30,369.40-16,092.56

Finding the Fourth Proportional to 20,238.14, 30,369.40 and 16,092.56

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Solution

The fourth proportional to 20,238.14, 30,369.40 and 16,092.56 is: 24,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.14 : 30,369.40 = 16,092.56 : x
  2. Step 2: Convert to fraction form
    20,238.14/30,369.40 = 16,092.56/x
  3. Step 3: Cross multiply
    20,238.14x = 30,369.40 × 16,092.56
  4. Step 4: Simplify right side
    20,238.14x = 488,721,391.66
  5. Step 5: Solve for x
    x = 488,721,391.66/20,238.14
  6. Step 6: Final answer
    x = 24,148.53

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1.5x scale

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.