Home / 14,201.31-21,301.84-3,670.43

Finding the Fourth Proportional to 14,201.31, 21,301.84 and 3,670.43

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Solution

The fourth proportional to 14,201.31, 21,301.84 and 3,670.43 is: 5,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.31 : 21,301.84 = 3,670.43 : x
  2. Step 2: Convert to fraction form
    14,201.31/21,301.84 = 3,670.43/x
  3. Step 3: Cross multiply
    14,201.31x = 21,301.84 × 3,670.43
  4. Step 4: Simplify right side
    14,201.31x = 78,186,912.59
  5. Step 5: Solve for x
    x = 78,186,912.59/14,201.31
  6. Step 6: Final answer
    x = 5,505.61

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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.