Home / 17,718.14-26,568.55-7,731.33

Finding the Fourth Proportional to 17,718.14, 26,568.55 and 7,731.33

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Solution

The fourth proportional to 17,718.14, 26,568.55 and 7,731.33 is: 11,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.14 : 26,568.55 = 7,731.33 : x
  2. Step 2: Convert to fraction form
    17,718.14/26,568.55 = 7,731.33/x
  3. Step 3: Cross multiply
    17,718.14x = 26,568.55 × 7,731.33
  4. Step 4: Simplify right side
    17,718.14x = 205,410,056.17
  5. Step 5: Solve for x
    x = 205,410,056.17/17,718.14
  6. Step 6: Final answer
    x = 11,593.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.