Home / 13,493.96-20,241.55-4,133.30

Finding the Fourth Proportional to 13,493.96, 20,241.55 and 4,133.30

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Solution

The fourth proportional to 13,493.96, 20,241.55 and 4,133.30 is: 6,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.96 : 20,241.55 = 4,133.30 : x
  2. Step 2: Convert to fraction form
    13,493.96/20,241.55 = 4,133.30/x
  3. Step 3: Cross multiply
    13,493.96x = 20,241.55 × 4,133.30
  4. Step 4: Simplify right side
    13,493.96x = 83,664,279.32
  5. Step 5: Solve for x
    x = 83,664,279.32/13,493.96
  6. Step 6: Final answer
    x = 6,200.13

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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.