Home / 20,837.12-31,257.75-6,796.58

Finding the Fourth Proportional to 20,837.12, 31,257.75 and 6,796.58

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Solution

The fourth proportional to 20,837.12, 31,257.75 and 6,796.58 is: 10,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.12 : 31,257.75 = 6,796.58 : x
  2. Step 2: Convert to fraction form
    20,837.12/31,257.75 = 6,796.58/x
  3. Step 3: Cross multiply
    20,837.12x = 31,257.75 × 6,796.58
  4. Step 4: Simplify right side
    20,837.12x = 212,445,893.20
  5. Step 5: Solve for x
    x = 212,445,893.20/20,837.12
  6. Step 6: Final answer
    x = 10,195.55

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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.