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Finding the Fourth Proportional to 16,212, 22,366.68 and 9,495.18

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Solution

The fourth proportional to 16,212, 22,366.68 and 9,495.18 is: 13,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212 : 22,366.68 = 9,495.18 : x
  2. Step 2: Convert to fraction form
    16,212/22,366.68 = 9,495.18/x
  3. Step 3: Cross multiply
    16,212x = 22,366.68 × 9,495.18
  4. Step 4: Simplify right side
    16,212x = 212,375,652.60
  5. Step 5: Solve for x
    x = 212,375,652.60/16,212
  6. Step 6: Final answer
    x = 13,099.90

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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.