Home / 17,839.78-26,758.64-5,359.54

Finding the Fourth Proportional to 17,839.78, 26,758.64 and 5,359.54

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Solution

The fourth proportional to 17,839.78, 26,758.64 and 5,359.54 is: 8,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.78 : 26,758.64 = 5,359.54 : x
  2. Step 2: Convert to fraction form
    17,839.78/26,758.64 = 5,359.54/x
  3. Step 3: Cross multiply
    17,839.78x = 26,758.64 × 5,359.54
  4. Step 4: Simplify right side
    17,839.78x = 143,413,947.93
  5. Step 5: Solve for x
    x = 143,413,947.93/17,839.78
  6. Step 6: Final answer
    x = 8,039.00

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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.