Home / 21,392.43-32,092.93-6,600.80

Finding the Fourth Proportional to 21,392.43, 32,092.93 and 6,600.80

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Solution

The fourth proportional to 21,392.43, 32,092.93 and 6,600.80 is: 9,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.43 : 32,092.93 = 6,600.80 : x
  2. Step 2: Convert to fraction form
    21,392.43/32,092.93 = 6,600.80/x
  3. Step 3: Cross multiply
    21,392.43x = 32,092.93 × 6,600.80
  4. Step 4: Simplify right side
    21,392.43x = 211,838,920.30
  5. Step 5: Solve for x
    x = 211,838,920.30/21,392.43
  6. Step 6: Final answer
    x = 9,902.52

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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.