Home / 14,091.04-21,131.12-4,228

Finding the Fourth Proportional to 14,091.04, 21,131.12 and 4,228

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Solution

The fourth proportional to 14,091.04, 21,131.12 and 4,228 is: 6,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.04 : 21,131.12 = 4,228 : x
  2. Step 2: Convert to fraction form
    14,091.04/21,131.12 = 4,228/x
  3. Step 3: Cross multiply
    14,091.04x = 21,131.12 × 4,228
  4. Step 4: Simplify right side
    14,091.04x = 89,342,375.36
  5. Step 5: Solve for x
    x = 89,342,375.36/14,091.04
  6. Step 6: Final answer
    x = 6,340.37

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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.