Home / 13,583.26-20,381.91-5,789.98

Finding the Fourth Proportional to 13,583.26, 20,381.91 and 5,789.98

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Solution

The fourth proportional to 13,583.26, 20,381.91 and 5,789.98 is: 8,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.26 : 20,381.91 = 5,789.98 : x
  2. Step 2: Convert to fraction form
    13,583.26/20,381.91 = 5,789.98/x
  3. Step 3: Cross multiply
    13,583.26x = 20,381.91 × 5,789.98
  4. Step 4: Simplify right side
    13,583.26x = 118,010,851.26
  5. Step 5: Solve for x
    x = 118,010,851.26/13,583.26
  6. Step 6: Final answer
    x = 8,687.96

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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.