Home / 19,677.83-29,469.77-10,890.95

Finding the Fourth Proportional to 19,677.83, 29,469.77 and 10,890.95

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Solution

The fourth proportional to 19,677.83, 29,469.77 and 10,890.95 is: 16,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.83 : 29,469.77 = 10,890.95 : x
  2. Step 2: Convert to fraction form
    19,677.83/29,469.77 = 10,890.95/x
  3. Step 3: Cross multiply
    19,677.83x = 29,469.77 × 10,890.95
  4. Step 4: Simplify right side
    19,677.83x = 320,953,737.13
  5. Step 5: Solve for x
    x = 320,953,737.13/19,677.83
  6. Step 6: Final answer
    x = 16,310.42

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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.