Home / 22,971.20-34,456.94-8,180.70

Finding the Fourth Proportional to 22,971.20, 34,456.94 and 8,180.70

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Solution

The fourth proportional to 22,971.20, 34,456.94 and 8,180.70 is: 12,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971.20 : 34,456.94 = 8,180.70 : x
  2. Step 2: Convert to fraction form
    22,971.20/34,456.94 = 8,180.70/x
  3. Step 3: Cross multiply
    22,971.20x = 34,456.94 × 8,180.70
  4. Step 4: Simplify right side
    22,971.20x = 281,881,889.06
  5. Step 5: Solve for x
    x = 281,881,889.06/22,971.20
  6. Step 6: Final answer
    x = 12,271.10

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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.