Home / 14,650.96-21,974.05-4,121.70

Finding the Fourth Proportional to 14,650.96, 21,974.05 and 4,121.70

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Solution

The fourth proportional to 14,650.96, 21,974.05 and 4,121.70 is: 6,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.96 : 21,974.05 = 4,121.70 : x
  2. Step 2: Convert to fraction form
    14,650.96/21,974.05 = 4,121.70/x
  3. Step 3: Cross multiply
    14,650.96x = 21,974.05 × 4,121.70
  4. Step 4: Simplify right side
    14,650.96x = 90,570,441.89
  5. Step 5: Solve for x
    x = 90,570,441.89/14,650.96
  6. Step 6: Final answer
    x = 6,181.88

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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.