Home / 18,653.44-25,723.52-11,936.62

Finding the Fourth Proportional to 18,653.44, 25,723.52 and 11,936.62

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Solution

The fourth proportional to 18,653.44, 25,723.52 and 11,936.62 is: 16,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.44 : 25,723.52 = 11,936.62 : x
  2. Step 2: Convert to fraction form
    18,653.44/25,723.52 = 11,936.62/x
  3. Step 3: Cross multiply
    18,653.44x = 25,723.52 × 11,936.62
  4. Step 4: Simplify right side
    18,653.44x = 307,051,883.30
  5. Step 5: Solve for x
    x = 307,051,883.30/18,653.44
  6. Step 6: Final answer
    x = 16,460.87

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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.