Home / 13,481.12-20,230.79-4,716.11

Finding the Fourth Proportional to 13,481.12, 20,230.79 and 4,716.11

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Solution

The fourth proportional to 13,481.12, 20,230.79 and 4,716.11 is: 7,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.12 : 20,230.79 = 4,716.11 : x
  2. Step 2: Convert to fraction form
    13,481.12/20,230.79 = 4,716.11/x
  3. Step 3: Cross multiply
    13,481.12x = 20,230.79 × 4,716.11
  4. Step 4: Simplify right side
    13,481.12x = 95,410,506.29
  5. Step 5: Solve for x
    x = 95,410,506.29/13,481.12
  6. Step 6: Final answer
    x = 7,077.35

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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.