Home / 17,558.77-26,338.18-7,170.52

Finding the Fourth Proportional to 17,558.77, 26,338.18 and 7,170.52

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Solution

The fourth proportional to 17,558.77, 26,338.18 and 7,170.52 is: 10,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.77 : 26,338.18 = 7,170.52 : x
  2. Step 2: Convert to fraction form
    17,558.77/26,338.18 = 7,170.52/x
  3. Step 3: Cross multiply
    17,558.77x = 26,338.18 × 7,170.52
  4. Step 4: Simplify right side
    17,558.77x = 188,858,362.68
  5. Step 5: Solve for x
    x = 188,858,362.68/17,558.77
  6. Step 6: Final answer
    x = 10,755.79

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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.