Home / 13,735.46-20,611.64-5,414.06

Finding the Fourth Proportional to 13,735.46, 20,611.64 and 5,414.06

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Solution

The fourth proportional to 13,735.46, 20,611.64 and 5,414.06 is: 8,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.46 : 20,611.64 = 5,414.06 : x
  2. Step 2: Convert to fraction form
    13,735.46/20,611.64 = 5,414.06/x
  3. Step 3: Cross multiply
    13,735.46x = 20,611.64 × 5,414.06
  4. Step 4: Simplify right side
    13,735.46x = 111,592,566.14
  5. Step 5: Solve for x
    x = 111,592,566.14/13,735.46
  6. Step 6: Final answer
    x = 8,124.42

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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.