Home / 20,958.08-31,442.12-6,167.48

Finding the Fourth Proportional to 20,958.08, 31,442.12 and 6,167.48

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Solution

The fourth proportional to 20,958.08, 31,442.12 and 6,167.48 is: 9,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,958.08 : 31,442.12 = 6,167.48 : x
  2. Step 2: Convert to fraction form
    20,958.08/31,442.12 = 6,167.48/x
  3. Step 3: Cross multiply
    20,958.08x = 31,442.12 × 6,167.48
  4. Step 4: Simplify right side
    20,958.08x = 193,918,709.44
  5. Step 5: Solve for x
    x = 193,918,709.44/20,958.08
  6. Step 6: Final answer
    x = 9,252.69

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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.