Home / 18,822.72-25,964.49-11,736.84

Finding the Fourth Proportional to 18,822.72, 25,964.49 and 11,736.84

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Solution

The fourth proportional to 18,822.72, 25,964.49 and 11,736.84 is: 16,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.72 : 25,964.49 = 11,736.84 : x
  2. Step 2: Convert to fraction form
    18,822.72/25,964.49 = 11,736.84/x
  3. Step 3: Cross multiply
    18,822.72x = 25,964.49 × 11,736.84
  4. Step 4: Simplify right side
    18,822.72x = 304,741,064.81
  5. Step 5: Solve for x
    x = 304,741,064.81/18,822.72
  6. Step 6: Final answer
    x = 16,190.07

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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.