Home / 22,806.62-34,209.92-18,218.78

Finding the Fourth Proportional to 22,806.62, 34,209.92 and 18,218.78

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Solution

The fourth proportional to 22,806.62, 34,209.92 and 18,218.78 is: 27,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,806.62 : 34,209.92 = 18,218.78 : x
  2. Step 2: Convert to fraction form
    22,806.62/34,209.92 = 18,218.78/x
  3. Step 3: Cross multiply
    22,806.62x = 34,209.92 × 18,218.78
  4. Step 4: Simplify right side
    22,806.62x = 623,262,880.79
  5. Step 5: Solve for x
    x = 623,262,880.79/22,806.62
  6. Step 6: Final answer
    x = 27,328.16

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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.