Home / 21,791.82-32,688.04-6,209.45

Finding the Fourth Proportional to 21,791.82, 32,688.04 and 6,209.45

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Solution

The fourth proportional to 21,791.82, 32,688.04 and 6,209.45 is: 9,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.82 : 32,688.04 = 6,209.45 : x
  2. Step 2: Convert to fraction form
    21,791.82/32,688.04 = 6,209.45/x
  3. Step 3: Cross multiply
    21,791.82x = 32,688.04 × 6,209.45
  4. Step 4: Simplify right side
    21,791.82x = 202,974,749.98
  5. Step 5: Solve for x
    x = 202,974,749.98/21,791.82
  6. Step 6: Final answer
    x = 9,314.26

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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.