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Finding the Fourth Proportional to 16,193.60, 22,347.60 and 9,119.60

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Solution

The fourth proportional to 16,193.60, 22,347.60 and 9,119.60 is: 12,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.60 : 22,347.60 = 9,119.60 : x
  2. Step 2: Convert to fraction form
    16,193.60/22,347.60 = 9,119.60/x
  3. Step 3: Cross multiply
    16,193.60x = 22,347.60 × 9,119.60
  4. Step 4: Simplify right side
    16,193.60x = 203,801,172.96
  5. Step 5: Solve for x
    x = 203,801,172.96/16,193.60
  6. Step 6: Final answer
    x = 12,585.29

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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.