Home / 22,512.10-33,771.78-6,929.72

Finding the Fourth Proportional to 22,512.10, 33,771.78 and 6,929.72

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Solution

The fourth proportional to 22,512.10, 33,771.78 and 6,929.72 is: 10,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.10 : 33,771.78 = 6,929.72 : x
  2. Step 2: Convert to fraction form
    22,512.10/33,771.78 = 6,929.72/x
  3. Step 3: Cross multiply
    22,512.10x = 33,771.78 × 6,929.72
  4. Step 4: Simplify right side
    22,512.10x = 234,028,979.30
  5. Step 5: Solve for x
    x = 234,028,979.30/22,512.10
  6. Step 6: Final answer
    x = 10,395.70

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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.