Home / 26,255.52-39,390.64-11,465.76

Finding the Fourth Proportional to 26,255.52, 39,390.64 and 11,465.76

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Solution

The fourth proportional to 26,255.52, 39,390.64 and 11,465.76 is: 17,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.52 : 39,390.64 = 11,465.76 : x
  2. Step 2: Convert to fraction form
    26,255.52/39,390.64 = 11,465.76/x
  3. Step 3: Cross multiply
    26,255.52x = 39,390.64 × 11,465.76
  4. Step 4: Simplify right side
    26,255.52x = 451,643,624.49
  5. Step 5: Solve for x
    x = 451,643,624.49/26,255.52
  6. Step 6: Final answer
    x = 17,201.85

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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.