Home / 14,042.52-21,067.68-6,143.62

Finding the Fourth Proportional to 14,042.52, 21,067.68 and 6,143.62

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Solution

The fourth proportional to 14,042.52, 21,067.68 and 6,143.62 is: 9,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.52 : 21,067.68 = 6,143.62 : x
  2. Step 2: Convert to fraction form
    14,042.52/21,067.68 = 6,143.62/x
  3. Step 3: Cross multiply
    14,042.52x = 21,067.68 × 6,143.62
  4. Step 4: Simplify right side
    14,042.52x = 129,431,820.20
  5. Step 5: Solve for x
    x = 129,431,820.20/14,042.52
  6. Step 6: Final answer
    x = 9,217.14

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1.5x scale

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.