Home / 20,883.22-31,325.69-6,844.04

Finding the Fourth Proportional to 20,883.22, 31,325.69 and 6,844.04

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Solution

The fourth proportional to 20,883.22, 31,325.69 and 6,844.04 is: 10,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.22 : 31,325.69 = 6,844.04 : x
  2. Step 2: Convert to fraction form
    20,883.22/31,325.69 = 6,844.04/x
  3. Step 3: Cross multiply
    20,883.22x = 31,325.69 × 6,844.04
  4. Step 4: Simplify right side
    20,883.22x = 214,394,391.05
  5. Step 5: Solve for x
    x = 214,394,391.05/20,883.22
  6. Step 6: Final answer
    x = 10,266.35

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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.