Home / 14,621.80-21,932.70-4,234.60

Finding the Fourth Proportional to 14,621.80, 21,932.70 and 4,234.60

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Solution

The fourth proportional to 14,621.80, 21,932.70 and 4,234.60 is: 6,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.80 : 21,932.70 = 4,234.60 : x
  2. Step 2: Convert to fraction form
    14,621.80/21,932.70 = 4,234.60/x
  3. Step 3: Cross multiply
    14,621.80x = 21,932.70 × 4,234.60
  4. Step 4: Simplify right side
    14,621.80x = 92,876,211.42
  5. Step 5: Solve for x
    x = 92,876,211.42/14,621.80
  6. Step 6: Final answer
    x = 6,351.90

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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.