Home / 21,974.76-32,975.10-8,133.48

Finding the Fourth Proportional to 21,974.76, 32,975.10 and 8,133.48

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Solution

The fourth proportional to 21,974.76, 32,975.10 and 8,133.48 is: 12,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.76 : 32,975.10 = 8,133.48 : x
  2. Step 2: Convert to fraction form
    21,974.76/32,975.10 = 8,133.48/x
  3. Step 3: Cross multiply
    21,974.76x = 32,975.10 × 8,133.48
  4. Step 4: Simplify right side
    21,974.76x = 268,202,316.35
  5. Step 5: Solve for x
    x = 268,202,316.35/21,974.76
  6. Step 6: Final answer
    x = 12,205.02

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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.