Home / 22,771.20-34,161.60-9,616.80

Finding the Fourth Proportional to 22,771.20, 34,161.60 and 9,616.80

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Solution

The fourth proportional to 22,771.20, 34,161.60 and 9,616.80 is: 14,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.20 : 34,161.60 = 9,616.80 : x
  2. Step 2: Convert to fraction form
    22,771.20/34,161.60 = 9,616.80/x
  3. Step 3: Cross multiply
    22,771.20x = 34,161.60 × 9,616.80
  4. Step 4: Simplify right side
    22,771.20x = 328,525,274.88
  5. Step 5: Solve for x
    x = 328,525,274.88/22,771.20
  6. Step 6: Final answer
    x = 14,427.23

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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.