Home / 21,943.26-32,918.99-8,796.66

Finding the Fourth Proportional to 21,943.26, 32,918.99 and 8,796.66

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Solution

The fourth proportional to 21,943.26, 32,918.99 and 8,796.66 is: 13,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.26 : 32,918.99 = 8,796.66 : x
  2. Step 2: Convert to fraction form
    21,943.26/32,918.99 = 8,796.66/x
  3. Step 3: Cross multiply
    21,943.26x = 32,918.99 × 8,796.66
  4. Step 4: Simplify right side
    21,943.26x = 289,577,118.59
  5. Step 5: Solve for x
    x = 289,577,118.59/21,943.26
  6. Step 6: Final answer
    x = 13,196.63

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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.