Home / 26,238.83-39,367.64-11,239.65

Finding the Fourth Proportional to 26,238.83, 39,367.64 and 11,239.65

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Solution

The fourth proportional to 26,238.83, 39,367.64 and 11,239.65 is: 16,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.83 : 39,367.64 = 11,239.65 : x
  2. Step 2: Convert to fraction form
    26,238.83/39,367.64 = 11,239.65/x
  3. Step 3: Cross multiply
    26,238.83x = 39,367.64 × 11,239.65
  4. Step 4: Simplify right side
    26,238.83x = 442,478,438.73
  5. Step 5: Solve for x
    x = 442,478,438.73/26,238.83
  6. Step 6: Final answer
    x = 16,863.50

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1.5x scale

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.