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Finding the Fourth Proportional to 14,236.26, 21,359.94 and 5,914.20

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Solution

The fourth proportional to 14,236.26, 21,359.94 and 5,914.20 is: 8,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.26 : 21,359.94 = 5,914.20 : x
  2. Step 2: Convert to fraction form
    14,236.26/21,359.94 = 5,914.20/x
  3. Step 3: Cross multiply
    14,236.26x = 21,359.94 × 5,914.20
  4. Step 4: Simplify right side
    14,236.26x = 126,326,957.15
  5. Step 5: Solve for x
    x = 126,326,957.15/14,236.26
  6. Step 6: Final answer
    x = 8,873.61

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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.