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Finding the Fourth Proportional to 18,085.92, 27,136.62 and 9,326.98

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Solution

The fourth proportional to 18,085.92, 27,136.62 and 9,326.98 is: 13,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.92 : 27,136.62 = 9,326.98 : x
  2. Step 2: Convert to fraction form
    18,085.92/27,136.62 = 9,326.98/x
  3. Step 3: Cross multiply
    18,085.92x = 27,136.62 × 9,326.98
  4. Step 4: Simplify right side
    18,085.92x = 253,102,745.93
  5. Step 5: Solve for x
    x = 253,102,745.93/18,085.92
  6. Step 6: Final answer
    x = 13,994.47

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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.