Home / 13,742.00-20,613.05-3,353.75

Finding the Fourth Proportional to 13,742.00, 20,613.05 and 3,353.75

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Solution

The fourth proportional to 13,742.00, 20,613.05 and 3,353.75 is: 5,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.00 : 20,613.05 = 3,353.75 : x
  2. Step 2: Convert to fraction form
    13,742.00/20,613.05 = 3,353.75/x
  3. Step 3: Cross multiply
    13,742.00x = 20,613.05 × 3,353.75
  4. Step 4: Simplify right side
    13,742.00x = 69,131,076.35
  5. Step 5: Solve for x
    x = 69,131,076.35/13,742.00
  6. Step 6: Final answer
    x = 5,030.64

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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.