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Finding the Fourth Proportional to 14,523.96, 20,043.08 and 8,236.34

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Solution

The fourth proportional to 14,523.96, 20,043.08 and 8,236.34 is: 11,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.96 : 20,043.08 = 8,236.34 : x
  2. Step 2: Convert to fraction form
    14,523.96/20,043.08 = 8,236.34/x
  3. Step 3: Cross multiply
    14,523.96x = 20,043.08 × 8,236.34
  4. Step 4: Simplify right side
    14,523.96x = 165,081,480.13
  5. Step 5: Solve for x
    x = 165,081,480.13/14,523.96
  6. Step 6: Final answer
    x = 11,366.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.