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Finding the Fourth Proportional to 11,959.44, 16,282.68 and 11,922.36

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Solution

The fourth proportional to 11,959.44, 16,282.68 and 11,922.36 is: 16,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.44 : 16,282.68 = 11,922.36 : x
  2. Step 2: Convert to fraction form
    11,959.44/16,282.68 = 11,922.36/x
  3. Step 3: Cross multiply
    11,959.44x = 16,282.68 × 11,922.36
  4. Step 4: Simplify right side
    11,959.44x = 194,127,972.72
  5. Step 5: Solve for x
    x = 194,127,972.72/11,959.44
  6. Step 6: Final answer
    x = 16,232.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.