Home / 20,837.33-31,245.37-6,788.33

Finding the Fourth Proportional to 20,837.33, 31,245.37 and 6,788.33

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Solution

The fourth proportional to 20,837.33, 31,245.37 and 6,788.33 is: 10,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.33 : 31,245.37 = 6,788.33 : x
  2. Step 2: Convert to fraction form
    20,837.33/31,245.37 = 6,788.33/x
  3. Step 3: Cross multiply
    20,837.33x = 31,245.37 × 6,788.33
  4. Step 4: Simplify right side
    20,837.33x = 212,103,709.33
  5. Step 5: Solve for x
    x = 212,103,709.33/20,837.33
  6. Step 6: Final answer
    x = 10,179.02

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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.