Home / 14,245.06-21,365.97-3,857.62

Finding the Fourth Proportional to 14,245.06, 21,365.97 and 3,857.62

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Solution

The fourth proportional to 14,245.06, 21,365.97 and 3,857.62 is: 5,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.06 : 21,365.97 = 3,857.62 : x
  2. Step 2: Convert to fraction form
    14,245.06/21,365.97 = 3,857.62/x
  3. Step 3: Cross multiply
    14,245.06x = 21,365.97 × 3,857.62
  4. Step 4: Simplify right side
    14,245.06x = 82,421,793.19
  5. Step 5: Solve for x
    x = 82,421,793.19/14,245.06
  6. Step 6: Final answer
    x = 5,785.99

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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.