Home / 19,640.26-29,453.77-6,309.98

Finding the Fourth Proportional to 19,640.26, 29,453.77 and 6,309.98

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Solution

The fourth proportional to 19,640.26, 29,453.77 and 6,309.98 is: 9,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.26 : 29,453.77 = 6,309.98 : x
  2. Step 2: Convert to fraction form
    19,640.26/29,453.77 = 6,309.98/x
  3. Step 3: Cross multiply
    19,640.26x = 29,453.77 × 6,309.98
  4. Step 4: Simplify right side
    19,640.26x = 185,852,699.62
  5. Step 5: Solve for x
    x = 185,852,699.62/19,640.26
  6. Step 6: Final answer
    x = 9,462.84

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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.