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Finding the Fourth Proportional to 22,326.65, 30,811.87 and 12,254.98

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Solution

The fourth proportional to 22,326.65, 30,811.87 and 12,254.98 is: 16,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.65 : 30,811.87 = 12,254.98 : x
  2. Step 2: Convert to fraction form
    22,326.65/30,811.87 = 12,254.98/x
  3. Step 3: Cross multiply
    22,326.65x = 30,811.87 × 12,254.98
  4. Step 4: Simplify right side
    22,326.65x = 377,598,942.19
  5. Step 5: Solve for x
    x = 377,598,942.19/22,326.65
  6. Step 6: Final answer
    x = 16,912.48

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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.