Home / 20,833.90-31,255.80-6,794.02

Finding the Fourth Proportional to 20,833.90, 31,255.80 and 6,794.02

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Solution

The fourth proportional to 20,833.90, 31,255.80 and 6,794.02 is: 10,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.90 : 31,255.80 = 6,794.02 : x
  2. Step 2: Convert to fraction form
    20,833.90/31,255.80 = 6,794.02/x
  3. Step 3: Cross multiply
    20,833.90x = 31,255.80 × 6,794.02
  4. Step 4: Simplify right side
    20,833.90x = 212,352,530.32
  5. Step 5: Solve for x
    x = 212,352,530.32/20,833.90
  6. Step 6: Final answer
    x = 10,192.64

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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.