Home / 13,914.24-20,872.32-4,053.60

Finding the Fourth Proportional to 13,914.24, 20,872.32 and 4,053.60

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Solution

The fourth proportional to 13,914.24, 20,872.32 and 4,053.60 is: 6,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.24 : 20,872.32 = 4,053.60 : x
  2. Step 2: Convert to fraction form
    13,914.24/20,872.32 = 4,053.60/x
  3. Step 3: Cross multiply
    13,914.24x = 20,872.32 × 4,053.60
  4. Step 4: Simplify right side
    13,914.24x = 84,608,036.35
  5. Step 5: Solve for x
    x = 84,608,036.35/13,914.24
  6. Step 6: Final answer
    x = 6,080.68

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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.