Home / 22,107.71-33,161.91-12,309.27

Finding the Fourth Proportional to 22,107.71, 33,161.91 and 12,309.27

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Solution

The fourth proportional to 22,107.71, 33,161.91 and 12,309.27 is: 18,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.71 : 33,161.91 = 12,309.27 : x
  2. Step 2: Convert to fraction form
    22,107.71/33,161.91 = 12,309.27/x
  3. Step 3: Cross multiply
    22,107.71x = 33,161.91 × 12,309.27
  4. Step 4: Simplify right side
    22,107.71x = 408,198,903.91
  5. Step 5: Solve for x
    x = 408,198,903.91/22,107.71
  6. Step 6: Final answer
    x = 18,464.10

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1.5x scale

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.