Home / 13,993.23-20,880.22-12,522.27

Finding the Fourth Proportional to 13,993.23, 20,880.22 and 12,522.27

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Solution

The fourth proportional to 13,993.23, 20,880.22 and 12,522.27 is: 18,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.23 : 20,880.22 = 12,522.27 : x
  2. Step 2: Convert to fraction form
    13,993.23/20,880.22 = 12,522.27/x
  3. Step 3: Cross multiply
    13,993.23x = 20,880.22 × 12,522.27
  4. Step 4: Simplify right side
    13,993.23x = 261,467,721.19
  5. Step 5: Solve for x
    x = 261,467,721.19/13,993.23
  6. Step 6: Final answer
    x = 18,685.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.