Home / 25,183.66-34,739.94-15,617.56

Finding the Fourth Proportional to 25,183.66, 34,739.94 and 15,617.56

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Solution

The fourth proportional to 25,183.66, 34,739.94 and 15,617.56 is: 21,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183.66 : 34,739.94 = 15,617.56 : x
  2. Step 2: Convert to fraction form
    25,183.66/34,739.94 = 15,617.56/x
  3. Step 3: Cross multiply
    25,183.66x = 34,739.94 × 15,617.56
  4. Step 4: Simplify right side
    25,183.66x = 542,553,097.35
  5. Step 5: Solve for x
    x = 542,553,097.35/25,183.66
  6. Step 6: Final answer
    x = 21,543.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.