Home / 22,962.80-34,436.10-8,172.20

Finding the Fourth Proportional to 22,962.80, 34,436.10 and 8,172.20

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Solution

The fourth proportional to 22,962.80, 34,436.10 and 8,172.20 is: 12,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,962.80 : 34,436.10 = 8,172.20 : x
  2. Step 2: Convert to fraction form
    22,962.80/34,436.10 = 8,172.20/x
  3. Step 3: Cross multiply
    22,962.80x = 34,436.10 × 8,172.20
  4. Step 4: Simplify right side
    22,962.80x = 281,418,696.42
  5. Step 5: Solve for x
    x = 281,418,696.42/22,962.80
  6. Step 6: Final answer
    x = 12,255.42

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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.