Home / 19,605.83-29,410.34-11,761.94

Finding the Fourth Proportional to 19,605.83, 29,410.34 and 11,761.94

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Solution

The fourth proportional to 19,605.83, 29,410.34 and 11,761.94 is: 17,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.83 : 29,410.34 = 11,761.94 : x
  2. Step 2: Convert to fraction form
    19,605.83/29,410.34 = 11,761.94/x
  3. Step 3: Cross multiply
    19,605.83x = 29,410.34 × 11,761.94
  4. Step 4: Simplify right side
    19,605.83x = 345,922,669.18
  5. Step 5: Solve for x
    x = 345,922,669.18/19,605.83
  6. Step 6: Final answer
    x = 17,643.87

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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.