Home / 13,832.82-19,087.97-7,864.16

Finding the Fourth Proportional to 13,832.82, 19,087.97 and 7,864.16

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Solution

The fourth proportional to 13,832.82, 19,087.97 and 7,864.16 is: 10,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.82 : 19,087.97 = 7,864.16 : x
  2. Step 2: Convert to fraction form
    13,832.82/19,087.97 = 7,864.16/x
  3. Step 3: Cross multiply
    13,832.82x = 19,087.97 × 7,864.16
  4. Step 4: Simplify right side
    13,832.82x = 150,110,715.39
  5. Step 5: Solve for x
    x = 150,110,715.39/13,832.82
  6. Step 6: Final answer
    x = 10,851.78

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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.