Home / 19,761.14-29,608.82-13,905.46

Finding the Fourth Proportional to 19,761.14, 29,608.82 and 13,905.46

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Solution

The fourth proportional to 19,761.14, 29,608.82 and 13,905.46 is: 20,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.14 : 29,608.82 = 13,905.46 : x
  2. Step 2: Convert to fraction form
    19,761.14/29,608.82 = 13,905.46/x
  3. Step 3: Cross multiply
    19,761.14x = 29,608.82 × 13,905.46
  4. Step 4: Simplify right side
    19,761.14x = 411,724,262.16
  5. Step 5: Solve for x
    x = 411,724,262.16/19,761.14
  6. Step 6: Final answer
    x = 20,835.05

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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.