Home / 13,914.66-20,872.22-4,054.48

Finding the Fourth Proportional to 13,914.66, 20,872.22 and 4,054.48

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Solution

The fourth proportional to 13,914.66, 20,872.22 and 4,054.48 is: 6,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.66 : 20,872.22 = 4,054.48 : x
  2. Step 2: Convert to fraction form
    13,914.66/20,872.22 = 4,054.48/x
  3. Step 3: Cross multiply
    13,914.66x = 20,872.22 × 4,054.48
  4. Step 4: Simplify right side
    13,914.66x = 84,626,081.51
  5. Step 5: Solve for x
    x = 84,626,081.51/13,914.66
  6. Step 6: Final answer
    x = 6,081.79

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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.