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Finding the Fourth Proportional to 16,572.44, 22,869.97 and 9,120.44

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Solution

The fourth proportional to 16,572.44, 22,869.97 and 9,120.44 is: 12,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.44 : 22,869.97 = 9,120.44 : x
  2. Step 2: Convert to fraction form
    16,572.44/22,869.97 = 9,120.44/x
  3. Step 3: Cross multiply
    16,572.44x = 22,869.97 × 9,120.44
  4. Step 4: Simplify right side
    16,572.44x = 208,584,189.19
  5. Step 5: Solve for x
    x = 208,584,189.19/16,572.44
  6. Step 6: Final answer
    x = 12,586.21

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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.