Home / 20,771.63-31,161.99-6,733.04

Finding the Fourth Proportional to 20,771.63, 31,161.99 and 6,733.04

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Solution

The fourth proportional to 20,771.63, 31,161.99 and 6,733.04 is: 10,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771.63 : 31,161.99 = 6,733.04 : x
  2. Step 2: Convert to fraction form
    20,771.63/31,161.99 = 6,733.04/x
  3. Step 3: Cross multiply
    20,771.63x = 31,161.99 × 6,733.04
  4. Step 4: Simplify right side
    20,771.63x = 209,815,028.30
  5. Step 5: Solve for x
    x = 209,815,028.30/20,771.63
  6. Step 6: Final answer
    x = 10,101.04

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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.