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Finding the Fourth Proportional to 18,096.88, 27,186.90 and 12,844.93

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Solution

The fourth proportional to 18,096.88, 27,186.90 and 12,844.93 is: 19,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.88 : 27,186.90 = 12,844.93 : x
  2. Step 2: Convert to fraction form
    18,096.88/27,186.90 = 12,844.93/x
  3. Step 3: Cross multiply
    18,096.88x = 27,186.90 × 12,844.93
  4. Step 4: Simplify right side
    18,096.88x = 349,213,827.42
  5. Step 5: Solve for x
    x = 349,213,827.42/18,096.88
  6. Step 6: Final answer
    x = 19,296.91

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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.