Home / 13,404.30-20,109.76-4,044.12

Finding the Fourth Proportional to 13,404.30, 20,109.76 and 4,044.12

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Solution

The fourth proportional to 13,404.30, 20,109.76 and 4,044.12 is: 6,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.30 : 20,109.76 = 4,044.12 : x
  2. Step 2: Convert to fraction form
    13,404.30/20,109.76 = 4,044.12/x
  3. Step 3: Cross multiply
    13,404.30x = 20,109.76 × 4,044.12
  4. Step 4: Simplify right side
    13,404.30x = 81,326,282.61
  5. Step 5: Solve for x
    x = 81,326,282.61/13,404.30
  6. Step 6: Final answer
    x = 6,067.18

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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.