Home / 21,887.20-32,789.49-17,453.26

Finding the Fourth Proportional to 21,887.20, 32,789.49 and 17,453.26

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Solution

The fourth proportional to 21,887.20, 32,789.49 and 17,453.26 is: 26,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.20 : 32,789.49 = 17,453.26 : x
  2. Step 2: Convert to fraction form
    21,887.20/32,789.49 = 17,453.26/x
  3. Step 3: Cross multiply
    21,887.20x = 32,789.49 × 17,453.26
  4. Step 4: Simplify right side
    21,887.20x = 572,283,494.24
  5. Step 5: Solve for x
    x = 572,283,494.24/21,887.20
  6. Step 6: Final answer
    x = 26,146.95

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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.