Home / 20,027.52-27,640.44-11,644.02

Finding the Fourth Proportional to 20,027.52, 27,640.44 and 11,644.02

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Solution

The fourth proportional to 20,027.52, 27,640.44 and 11,644.02 is: 16,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.52 : 27,640.44 = 11,644.02 : x
  2. Step 2: Convert to fraction form
    20,027.52/27,640.44 = 11,644.02/x
  3. Step 3: Cross multiply
    20,027.52x = 27,640.44 × 11,644.02
  4. Step 4: Simplify right side
    20,027.52x = 321,845,836.17
  5. Step 5: Solve for x
    x = 321,845,836.17/20,027.52
  6. Step 6: Final answer
    x = 16,070.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.