Home / 21,104.20-31,632.54-16,194.52

Finding the Fourth Proportional to 21,104.20, 31,632.54 and 16,194.52

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Solution

The fourth proportional to 21,104.20, 31,632.54 and 16,194.52 is: 24,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104.20 : 31,632.54 = 16,194.52 : x
  2. Step 2: Convert to fraction form
    21,104.20/31,632.54 = 16,194.52/x
  3. Step 3: Cross multiply
    21,104.20x = 31,632.54 × 16,194.52
  4. Step 4: Simplify right side
    21,104.20x = 512,273,801.68
  5. Step 5: Solve for x
    x = 512,273,801.68/21,104.20
  6. Step 6: Final answer
    x = 24,273.55

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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.