Home / 13,735.33-20,589.10-5,412.11

Finding the Fourth Proportional to 13,735.33, 20,589.10 and 5,412.11

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Solution

The fourth proportional to 13,735.33, 20,589.10 and 5,412.11 is: 8,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.33 : 20,589.10 = 5,412.11 : x
  2. Step 2: Convert to fraction form
    13,735.33/20,589.10 = 5,412.11/x
  3. Step 3: Cross multiply
    13,735.33x = 20,589.10 × 5,412.11
  4. Step 4: Simplify right side
    13,735.33x = 111,430,474.00
  5. Step 5: Solve for x
    x = 111,430,474.00/13,735.33
  6. Step 6: Final answer
    x = 8,112.69

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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.