Home / 18,837.56-25,995.94-11,768.09

Finding the Fourth Proportional to 18,837.56, 25,995.94 and 11,768.09

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Solution

The fourth proportional to 18,837.56, 25,995.94 and 11,768.09 is: 16,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.56 : 25,995.94 = 11,768.09 : x
  2. Step 2: Convert to fraction form
    18,837.56/25,995.94 = 11,768.09/x
  3. Step 3: Cross multiply
    18,837.56x = 25,995.94 × 11,768.09
  4. Step 4: Simplify right side
    18,837.56x = 305,922,402.15
  5. Step 5: Solve for x
    x = 305,922,402.15/18,837.56
  6. Step 6: Final answer
    x = 16,240.02

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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.