Home / 13,481.34-20,220.57-4,716.42

Finding the Fourth Proportional to 13,481.34, 20,220.57 and 4,716.42

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Solution

The fourth proportional to 13,481.34, 20,220.57 and 4,716.42 is: 7,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.34 : 20,220.57 = 4,716.42 : x
  2. Step 2: Convert to fraction form
    13,481.34/20,220.57 = 4,716.42/x
  3. Step 3: Cross multiply
    13,481.34x = 20,220.57 × 4,716.42
  4. Step 4: Simplify right side
    13,481.34x = 95,368,700.76
  5. Step 5: Solve for x
    x = 95,368,700.76/13,481.34
  6. Step 6: Final answer
    x = 7,074.13

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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.