Home / 13,441.07-18,550.62-8,063.75

Finding the Fourth Proportional to 13,441.07, 18,550.62 and 8,063.75

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Solution

The fourth proportional to 13,441.07, 18,550.62 and 8,063.75 is: 11,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.07 : 18,550.62 = 8,063.75 : x
  2. Step 2: Convert to fraction form
    13,441.07/18,550.62 = 8,063.75/x
  3. Step 3: Cross multiply
    13,441.07x = 18,550.62 × 8,063.75
  4. Step 4: Simplify right side
    13,441.07x = 149,587,608.40
  5. Step 5: Solve for x
    x = 149,587,608.40/13,441.07
  6. Step 6: Final answer
    x = 11,129.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.