Home / 16,993.12-25,493.66-5,146.99

Finding the Fourth Proportional to 16,993.12, 25,493.66 and 5,146.99

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Solution

The fourth proportional to 16,993.12, 25,493.66 and 5,146.99 is: 7,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.12 : 25,493.66 = 5,146.99 : x
  2. Step 2: Convert to fraction form
    16,993.12/25,493.66 = 5,146.99/x
  3. Step 3: Cross multiply
    16,993.12x = 25,493.66 × 5,146.99
  4. Step 4: Simplify right side
    16,993.12x = 131,215,539.47
  5. Step 5: Solve for x
    x = 131,215,539.47/16,993.12
  6. Step 6: Final answer
    x = 7,721.68

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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.