Home / 18,662.06-25,717.86-11,935.97

Finding the Fourth Proportional to 18,662.06, 25,717.86 and 11,935.97

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Solution

The fourth proportional to 18,662.06, 25,717.86 and 11,935.97 is: 16,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.06 : 25,717.86 = 11,935.97 : x
  2. Step 2: Convert to fraction form
    18,662.06/25,717.86 = 11,935.97/x
  3. Step 3: Cross multiply
    18,662.06x = 25,717.86 × 11,935.97
  4. Step 4: Simplify right side
    18,662.06x = 306,967,476.83
  5. Step 5: Solve for x
    x = 306,967,476.83/18,662.06
  6. Step 6: Final answer
    x = 16,448.75

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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.