Home / 13,635.03-20,452.55-3,774.31

Finding the Fourth Proportional to 13,635.03, 20,452.55 and 3,774.31

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Solution

The fourth proportional to 13,635.03, 20,452.55 and 3,774.31 is: 5,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.03 : 20,452.55 = 3,774.31 : x
  2. Step 2: Convert to fraction form
    13,635.03/20,452.55 = 3,774.31/x
  3. Step 3: Cross multiply
    13,635.03x = 20,452.55 × 3,774.31
  4. Step 4: Simplify right side
    13,635.03x = 77,194,193.99
  5. Step 5: Solve for x
    x = 77,194,193.99/13,635.03
  6. Step 6: Final answer
    x = 5,661.46

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Similar ratio
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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.