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Finding the Fourth Proportional to 14,993.44, 20,696.40 and 12,194.08

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Solution

The fourth proportional to 14,993.44, 20,696.40 and 12,194.08 is: 16,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.44 : 20,696.40 = 12,194.08 : x
  2. Step 2: Convert to fraction form
    14,993.44/20,696.40 = 12,194.08/x
  3. Step 3: Cross multiply
    14,993.44x = 20,696.40 × 12,194.08
  4. Step 4: Simplify right side
    14,993.44x = 252,373,557.31
  5. Step 5: Solve for x
    x = 252,373,557.31/14,993.44
  6. Step 6: Final answer
    x = 16,832.27

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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.