Home / 21,966.78-32,926.92-7,171.73

Finding the Fourth Proportional to 21,966.78, 32,926.92 and 7,171.73

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Solution

The fourth proportional to 21,966.78, 32,926.92 and 7,171.73 is: 10,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.78 : 32,926.92 = 7,171.73 : x
  2. Step 2: Convert to fraction form
    21,966.78/32,926.92 = 7,171.73/x
  3. Step 3: Cross multiply
    21,966.78x = 32,926.92 × 7,171.73
  4. Step 4: Simplify right side
    21,966.78x = 236,142,815.34
  5. Step 5: Solve for x
    x = 236,142,815.34/21,966.78
  6. Step 6: Final answer
    x = 10,750.00

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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.