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Finding the Fourth Proportional to 15,949.94, 22,009.49 and 9,236.03

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Solution

The fourth proportional to 15,949.94, 22,009.49 and 9,236.03 is: 12,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.94 : 22,009.49 = 9,236.03 : x
  2. Step 2: Convert to fraction form
    15,949.94/22,009.49 = 9,236.03/x
  3. Step 3: Cross multiply
    15,949.94x = 22,009.49 × 9,236.03
  4. Step 4: Simplify right side
    15,949.94x = 203,280,309.92
  5. Step 5: Solve for x
    x = 203,280,309.92/15,949.94
  6. Step 6: Final answer
    x = 12,744.89

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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.