Home / 14,181.32-21,270.36-3,793.88

Finding the Fourth Proportional to 14,181.32, 21,270.36 and 3,793.88

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Solution

The fourth proportional to 14,181.32, 21,270.36 and 3,793.88 is: 5,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.32 : 21,270.36 = 3,793.88 : x
  2. Step 2: Convert to fraction form
    14,181.32/21,270.36 = 3,793.88/x
  3. Step 3: Cross multiply
    14,181.32x = 21,270.36 × 3,793.88
  4. Step 4: Simplify right side
    14,181.32x = 80,697,087.05
  5. Step 5: Solve for x
    x = 80,697,087.05/14,181.32
  6. Step 6: Final answer
    x = 5,690.38

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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.