Home / 13,635.87-20,452.72-3,775.33

Finding the Fourth Proportional to 13,635.87, 20,452.72 and 3,775.33

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Solution

The fourth proportional to 13,635.87, 20,452.72 and 3,775.33 is: 5,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.87 : 20,452.72 = 3,775.33 : x
  2. Step 2: Convert to fraction form
    13,635.87/20,452.72 = 3,775.33/x
  3. Step 3: Cross multiply
    13,635.87x = 20,452.72 × 3,775.33
  4. Step 4: Simplify right side
    13,635.87x = 77,215,748.52
  5. Step 5: Solve for x
    x = 77,215,748.52/13,635.87
  6. Step 6: Final answer
    x = 5,662.70

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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.