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Finding the Fourth Proportional to 18,191.84, 27,262.85 and 11,606.22

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Solution

The fourth proportional to 18,191.84, 27,262.85 and 11,606.22 is: 17,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.84 : 27,262.85 = 11,606.22 : x
  2. Step 2: Convert to fraction form
    18,191.84/27,262.85 = 11,606.22/x
  3. Step 3: Cross multiply
    18,191.84x = 27,262.85 × 11,606.22
  4. Step 4: Simplify right side
    18,191.84x = 316,418,576.90
  5. Step 5: Solve for x
    x = 316,418,576.90/18,191.84
  6. Step 6: Final answer
    x = 17,393.44

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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.