Home / 20,834.90-31,257.30-6,795.02

Finding the Fourth Proportional to 20,834.90, 31,257.30 and 6,795.02

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Solution

The fourth proportional to 20,834.90, 31,257.30 and 6,795.02 is: 10,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.90 : 31,257.30 = 6,795.02 : x
  2. Step 2: Convert to fraction form
    20,834.90/31,257.30 = 6,795.02/x
  3. Step 3: Cross multiply
    20,834.90x = 31,257.30 × 6,795.02
  4. Step 4: Simplify right side
    20,834.90x = 212,393,978.65
  5. Step 5: Solve for x
    x = 212,393,978.65/20,834.90
  6. Step 6: Final answer
    x = 10,194.14

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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.