Home / 13,404.29-20,109.78-4,044.08

Finding the Fourth Proportional to 13,404.29, 20,109.78 and 4,044.08

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Solution

The fourth proportional to 13,404.29, 20,109.78 and 4,044.08 is: 6,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.29 : 20,109.78 = 4,044.08 : x
  2. Step 2: Convert to fraction form
    13,404.29/20,109.78 = 4,044.08/x
  3. Step 3: Cross multiply
    13,404.29x = 20,109.78 × 4,044.08
  4. Step 4: Simplify right side
    13,404.29x = 81,325,559.10
  5. Step 5: Solve for x
    x = 81,325,559.10/13,404.29
  6. Step 6: Final answer
    x = 6,067.13

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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.