Home / 20,522.97-30,790.94-8,841.69

Finding the Fourth Proportional to 20,522.97, 30,790.94 and 8,841.69

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Solution

The fourth proportional to 20,522.97, 30,790.94 and 8,841.69 is: 13,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.97 : 30,790.94 = 8,841.69 : x
  2. Step 2: Convert to fraction form
    20,522.97/30,790.94 = 8,841.69/x
  3. Step 3: Cross multiply
    20,522.97x = 30,790.94 × 8,841.69
  4. Step 4: Simplify right side
    20,522.97x = 272,243,902.08
  5. Step 5: Solve for x
    x = 272,243,902.08/20,522.97
  6. Step 6: Final answer
    x = 13,265.33

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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.