Home / 13,975.22-20,962.85-3,586.97

Finding the Fourth Proportional to 13,975.22, 20,962.85 and 3,586.97

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Solution

The fourth proportional to 13,975.22, 20,962.85 and 3,586.97 is: 5,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.22 : 20,962.85 = 3,586.97 : x
  2. Step 2: Convert to fraction form
    13,975.22/20,962.85 = 3,586.97/x
  3. Step 3: Cross multiply
    13,975.22x = 20,962.85 × 3,586.97
  4. Step 4: Simplify right side
    13,975.22x = 75,193,096.13
  5. Step 5: Solve for x
    x = 75,193,096.13/13,975.22
  6. Step 6: Final answer
    x = 5,380.46

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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.