Home / 17,890.06-26,835.10-5,578.06

Finding the Fourth Proportional to 17,890.06, 26,835.10 and 5,578.06

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Solution

The fourth proportional to 17,890.06, 26,835.10 and 5,578.06 is: 8,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.06 : 26,835.10 = 5,578.06 : x
  2. Step 2: Convert to fraction form
    17,890.06/26,835.10 = 5,578.06/x
  3. Step 3: Cross multiply
    17,890.06x = 26,835.10 × 5,578.06
  4. Step 4: Simplify right side
    17,890.06x = 149,687,797.91
  5. Step 5: Solve for x
    x = 149,687,797.91/17,890.06
  6. Step 6: Final answer
    x = 8,367.09

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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.