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Finding the Fourth Proportional to 14,889.43, 22,336.09 and 7,869.73

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Solution

The fourth proportional to 14,889.43, 22,336.09 and 7,869.73 is: 11,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.43 : 22,336.09 = 7,869.73 : x
  2. Step 2: Convert to fraction form
    14,889.43/22,336.09 = 7,869.73/x
  3. Step 3: Cross multiply
    14,889.43x = 22,336.09 × 7,869.73
  4. Step 4: Simplify right side
    14,889.43x = 175,778,868.80
  5. Step 5: Solve for x
    x = 175,778,868.80/14,889.43
  6. Step 6: Final answer
    x = 11,805.62

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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.