Home / 14,243.18-21,361.17-4,245.62

Finding the Fourth Proportional to 14,243.18, 21,361.17 and 4,245.62

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Solution

The fourth proportional to 14,243.18, 21,361.17 and 4,245.62 is: 6,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.18 : 21,361.17 = 4,245.62 : x
  2. Step 2: Convert to fraction form
    14,243.18/21,361.17 = 4,245.62/x
  3. Step 3: Cross multiply
    14,243.18x = 21,361.17 × 4,245.62
  4. Step 4: Simplify right side
    14,243.18x = 90,691,410.58
  5. Step 5: Solve for x
    x = 90,691,410.58/14,243.18
  6. Step 6: Final answer
    x = 6,367.36

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Double scale
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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.