Home / 22,107.16-33,126.18-18,806.68

Finding the Fourth Proportional to 22,107.16, 33,126.18 and 18,806.68

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Solution

The fourth proportional to 22,107.16, 33,126.18 and 18,806.68 is: 28,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.16 : 33,126.18 = 18,806.68 : x
  2. Step 2: Convert to fraction form
    22,107.16/33,126.18 = 18,806.68/x
  3. Step 3: Cross multiply
    22,107.16x = 33,126.18 × 18,806.68
  4. Step 4: Simplify right side
    22,107.16x = 622,993,466.88
  5. Step 5: Solve for x
    x = 622,993,466.88/22,107.16
  6. Step 6: Final answer
    x = 28,180.62

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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.