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Finding the Fourth Proportional to 18,552.34, 27,843.55 and 9,191.98

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Solution

The fourth proportional to 18,552.34, 27,843.55 and 9,191.98 is: 13,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.34 : 27,843.55 = 9,191.98 : x
  2. Step 2: Convert to fraction form
    18,552.34/27,843.55 = 9,191.98/x
  3. Step 3: Cross multiply
    18,552.34x = 27,843.55 × 9,191.98
  4. Step 4: Simplify right side
    18,552.34x = 255,937,366.55
  5. Step 5: Solve for x
    x = 255,937,366.55/18,552.34
  6. Step 6: Final answer
    x = 13,795.42

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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.