Home / 13,914.36-20,874.96-4,053.72

Finding the Fourth Proportional to 13,914.36, 20,874.96 and 4,053.72

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Solution

The fourth proportional to 13,914.36, 20,874.96 and 4,053.72 is: 6,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.36 : 20,874.96 = 4,053.72 : x
  2. Step 2: Convert to fraction form
    13,914.36/20,874.96 = 4,053.72/x
  3. Step 3: Cross multiply
    13,914.36x = 20,874.96 × 4,053.72
  4. Step 4: Simplify right side
    13,914.36x = 84,621,242.85
  5. Step 5: Solve for x
    x = 84,621,242.85/13,914.36
  6. Step 6: Final answer
    x = 6,081.58

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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.