Home / 17,555.37-26,329.11-5,072.61

Finding the Fourth Proportional to 17,555.37, 26,329.11 and 5,072.61

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Solution

The fourth proportional to 17,555.37, 26,329.11 and 5,072.61 is: 7,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.37 : 26,329.11 = 5,072.61 : x
  2. Step 2: Convert to fraction form
    17,555.37/26,329.11 = 5,072.61/x
  3. Step 3: Cross multiply
    17,555.37x = 26,329.11 × 5,072.61
  4. Step 4: Simplify right side
    17,555.37x = 133,557,306.68
  5. Step 5: Solve for x
    x = 133,557,306.68/17,555.37
  6. Step 6: Final answer
    x = 7,607.78

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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.