Home / 23,520.62-35,262.81-20,396.33

Finding the Fourth Proportional to 23,520.62, 35,262.81 and 20,396.33

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Solution

The fourth proportional to 23,520.62, 35,262.81 and 20,396.33 is: 30,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.62 : 35,262.81 = 20,396.33 : x
  2. Step 2: Convert to fraction form
    23,520.62/35,262.81 = 20,396.33/x
  3. Step 3: Cross multiply
    23,520.62x = 35,262.81 × 20,396.33
  4. Step 4: Simplify right side
    23,520.62x = 719,231,909.49
  5. Step 5: Solve for x
    x = 719,231,909.49/23,520.62
  6. Step 6: Final answer
    x = 30,578.78

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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.