Home / 13,833.55-20,753.40-3,972.07

Finding the Fourth Proportional to 13,833.55, 20,753.40 and 3,972.07

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Solution

The fourth proportional to 13,833.55, 20,753.40 and 3,972.07 is: 5,958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.55 : 20,753.40 = 3,972.07 : x
  2. Step 2: Convert to fraction form
    13,833.55/20,753.40 = 3,972.07/x
  3. Step 3: Cross multiply
    13,833.55x = 20,753.40 × 3,972.07
  4. Step 4: Simplify right side
    13,833.55x = 82,433,976.03
  5. Step 5: Solve for x
    x = 82,433,976.03/13,833.55
  6. Step 6: Final answer
    x = 5,958.99

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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.