Home / 20,848.82-31,273.22-5,266.44

Finding the Fourth Proportional to 20,848.82, 31,273.22 and 5,266.44

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Solution

The fourth proportional to 20,848.82, 31,273.22 and 5,266.44 is: 7,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.82 : 31,273.22 = 5,266.44 : x
  2. Step 2: Convert to fraction form
    20,848.82/31,273.22 = 5,266.44/x
  3. Step 3: Cross multiply
    20,848.82x = 31,273.22 × 5,266.44
  4. Step 4: Simplify right side
    20,848.82x = 164,698,549.90
  5. Step 5: Solve for x
    x = 164,698,549.90/20,848.82
  6. Step 6: Final answer
    x = 7,899.66

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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.