Home / 26,388.92-39,585-11,604.80

Finding the Fourth Proportional to 26,388.92, 39,585 and 11,604.80

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Solution

The fourth proportional to 26,388.92, 39,585 and 11,604.80 is: 17,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.92 : 39,585 = 11,604.80 : x
  2. Step 2: Convert to fraction form
    26,388.92/39,585 = 11,604.80/x
  3. Step 3: Cross multiply
    26,388.92x = 39,585 × 11,604.80
  4. Step 4: Simplify right side
    26,388.92x = 459,376,008
  5. Step 5: Solve for x
    x = 459,376,008/26,388.92
  6. Step 6: Final answer
    x = 17,407.91

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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.