Home / 21,940.60-32,873.10-10,229.80

Finding the Fourth Proportional to 21,940.60, 32,873.10 and 10,229.80

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Solution

The fourth proportional to 21,940.60, 32,873.10 and 10,229.80 is: 15,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.60 : 32,873.10 = 10,229.80 : x
  2. Step 2: Convert to fraction form
    21,940.60/32,873.10 = 10,229.80/x
  3. Step 3: Cross multiply
    21,940.60x = 32,873.10 × 10,229.80
  4. Step 4: Simplify right side
    21,940.60x = 336,285,238.38
  5. Step 5: Solve for x
    x = 336,285,238.38/21,940.60
  6. Step 6: Final answer
    x = 15,327.08

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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.