Home / 13,495.61-20,241.56-3,635.48

Finding the Fourth Proportional to 13,495.61, 20,241.56 and 3,635.48

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Solution

The fourth proportional to 13,495.61, 20,241.56 and 3,635.48 is: 5,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.61 : 20,241.56 = 3,635.48 : x
  2. Step 2: Convert to fraction form
    13,495.61/20,241.56 = 3,635.48/x
  3. Step 3: Cross multiply
    13,495.61x = 20,241.56 × 3,635.48
  4. Step 4: Simplify right side
    13,495.61x = 73,587,846.24
  5. Step 5: Solve for x
    x = 73,587,846.24/13,495.61
  6. Step 6: Final answer
    x = 5,452.72

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1.5x scale

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.