Home / 16,805.62-25,208.16-5,712.13

Finding the Fourth Proportional to 16,805.62, 25,208.16 and 5,712.13

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Solution

The fourth proportional to 16,805.62, 25,208.16 and 5,712.13 is: 8,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.62 : 25,208.16 = 5,712.13 : x
  2. Step 2: Convert to fraction form
    16,805.62/25,208.16 = 5,712.13/x
  3. Step 3: Cross multiply
    16,805.62x = 25,208.16 × 5,712.13
  4. Step 4: Simplify right side
    16,805.62x = 143,992,286.98
  5. Step 5: Solve for x
    x = 143,992,286.98/16,805.62
  6. Step 6: Final answer
    x = 8,568.10

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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.