Home / 18,838.56-25,997.32-11,769.09

Finding the Fourth Proportional to 18,838.56, 25,997.32 and 11,769.09

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Solution

The fourth proportional to 18,838.56, 25,997.32 and 11,769.09 is: 16,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.56 : 25,997.32 = 11,769.09 : x
  2. Step 2: Convert to fraction form
    18,838.56/25,997.32 = 11,769.09/x
  3. Step 3: Cross multiply
    18,838.56x = 25,997.32 × 11,769.09
  4. Step 4: Simplify right side
    18,838.56x = 305,964,798.84
  5. Step 5: Solve for x
    x = 305,964,798.84/18,838.56
  6. Step 6: Final answer
    x = 16,241.41

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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.