Home / 17,067.12-25,600.68-5,381.40

Finding the Fourth Proportional to 17,067.12, 25,600.68 and 5,381.40

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Solution

The fourth proportional to 17,067.12, 25,600.68 and 5,381.40 is: 8,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,067.12 : 25,600.68 = 5,381.40 : x
  2. Step 2: Convert to fraction form
    17,067.12/25,600.68 = 5,381.40/x
  3. Step 3: Cross multiply
    17,067.12x = 25,600.68 × 5,381.40
  4. Step 4: Simplify right side
    17,067.12x = 137,767,499.35
  5. Step 5: Solve for x
    x = 137,767,499.35/17,067.12
  6. Step 6: Final answer
    x = 8,072.10

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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.