Home / 19,961.60-29,945.13-6,810.44

Finding the Fourth Proportional to 19,961.60, 29,945.13 and 6,810.44

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Solution

The fourth proportional to 19,961.60, 29,945.13 and 6,810.44 is: 10,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.60 : 29,945.13 = 6,810.44 : x
  2. Step 2: Convert to fraction form
    19,961.60/29,945.13 = 6,810.44/x
  3. Step 3: Cross multiply
    19,961.60x = 29,945.13 × 6,810.44
  4. Step 4: Simplify right side
    19,961.60x = 203,939,511.16
  5. Step 5: Solve for x
    x = 203,939,511.16/19,961.60
  6. Step 6: Final answer
    x = 10,216.59

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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.