Home / 21,924.20-32,882.65-7,881.37

Finding the Fourth Proportional to 21,924.20, 32,882.65 and 7,881.37

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Solution

The fourth proportional to 21,924.20, 32,882.65 and 7,881.37 is: 11,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.20 : 32,882.65 = 7,881.37 : x
  2. Step 2: Convert to fraction form
    21,924.20/32,882.65 = 7,881.37/x
  3. Step 3: Cross multiply
    21,924.20x = 32,882.65 × 7,881.37
  4. Step 4: Simplify right side
    21,924.20x = 259,160,229.32
  5. Step 5: Solve for x
    x = 259,160,229.32/21,924.20
  6. Step 6: Final answer
    x = 11,820.74

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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.