Home / 21,924.20-32,886.30-20,234.60

Finding the Fourth Proportional to 21,924.20, 32,886.30 and 20,234.60

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Solution

The fourth proportional to 21,924.20, 32,886.30 and 20,234.60 is: 30,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.20 : 32,886.30 = 20,234.60 : x
  2. Step 2: Convert to fraction form
    21,924.20/32,886.30 = 20,234.60/x
  3. Step 3: Cross multiply
    21,924.20x = 32,886.30 × 20,234.60
  4. Step 4: Simplify right side
    21,924.20x = 665,441,125.98
  5. Step 5: Solve for x
    x = 665,441,125.98/21,924.20
  6. Step 6: Final answer
    x = 30,351.90

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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.