Home / 16,864.74-25,297.16-5,177.88

Finding the Fourth Proportional to 16,864.74, 25,297.16 and 5,177.88

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Solution

The fourth proportional to 16,864.74, 25,297.16 and 5,177.88 is: 7,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.74 : 25,297.16 = 5,177.88 : x
  2. Step 2: Convert to fraction form
    16,864.74/25,297.16 = 5,177.88/x
  3. Step 3: Cross multiply
    16,864.74x = 25,297.16 × 5,177.88
  4. Step 4: Simplify right side
    16,864.74x = 130,985,632.93
  5. Step 5: Solve for x
    x = 130,985,632.93/16,864.74
  6. Step 6: Final answer
    x = 7,766.83

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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.