Home / 26,099.22-39,146.72-7,378.50

Finding the Fourth Proportional to 26,099.22, 39,146.72 and 7,378.50

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Solution

The fourth proportional to 26,099.22, 39,146.72 and 7,378.50 is: 11,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.22 : 39,146.72 = 7,378.50 : x
  2. Step 2: Convert to fraction form
    26,099.22/39,146.72 = 7,378.50/x
  3. Step 3: Cross multiply
    26,099.22x = 39,146.72 × 7,378.50
  4. Step 4: Simplify right side
    26,099.22x = 288,844,073.52
  5. Step 5: Solve for x
    x = 288,844,073.52/26,099.22
  6. Step 6: Final answer
    x = 11,067.15

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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.