Home / 12,114.48-18,081.84-10,441.44

Finding the Fourth Proportional to 12,114.48, 18,081.84 and 10,441.44

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Solution

The fourth proportional to 12,114.48, 18,081.84 and 10,441.44 is: 15,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.48 : 18,081.84 = 10,441.44 : x
  2. Step 2: Convert to fraction form
    12,114.48/18,081.84 = 10,441.44/x
  3. Step 3: Cross multiply
    12,114.48x = 18,081.84 × 10,441.44
  4. Step 4: Simplify right side
    12,114.48x = 188,800,447.45
  5. Step 5: Solve for x
    x = 188,800,447.45/12,114.48
  6. Step 6: Final answer
    x = 15,584.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.