Home / 27,455.78-41,190.01-11,661.32

Finding the Fourth Proportional to 27,455.78, 41,190.01 and 11,661.32

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Solution

The fourth proportional to 27,455.78, 41,190.01 and 11,661.32 is: 17,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.78 : 41,190.01 = 11,661.32 : x
  2. Step 2: Convert to fraction form
    27,455.78/41,190.01 = 11,661.32/x
  3. Step 3: Cross multiply
    27,455.78x = 41,190.01 × 11,661.32
  4. Step 4: Simplify right side
    27,455.78x = 480,329,961.23
  5. Step 5: Solve for x
    x = 480,329,961.23/27,455.78
  6. Step 6: Final answer
    x = 17,494.67

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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.