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Finding the Fourth Proportional to 19,996.62, 27,586.62 and 12,034.32

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Solution

The fourth proportional to 19,996.62, 27,586.62 and 12,034.32 is: 16,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.62 : 27,586.62 = 12,034.32 : x
  2. Step 2: Convert to fraction form
    19,996.62/27,586.62 = 12,034.32/x
  3. Step 3: Cross multiply
    19,996.62x = 27,586.62 × 12,034.32
  4. Step 4: Simplify right side
    19,996.62x = 331,986,212.80
  5. Step 5: Solve for x
    x = 331,986,212.80/19,996.62
  6. Step 6: Final answer
    x = 16,602.12

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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.