Home / 18,231.72-25,160.67-10,274.82

Finding the Fourth Proportional to 18,231.72, 25,160.67 and 10,274.82

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Solution

The fourth proportional to 18,231.72, 25,160.67 and 10,274.82 is: 14,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.72 : 25,160.67 = 10,274.82 : x
  2. Step 2: Convert to fraction form
    18,231.72/25,160.67 = 10,274.82/x
  3. Step 3: Cross multiply
    18,231.72x = 25,160.67 × 10,274.82
  4. Step 4: Simplify right side
    18,231.72x = 258,521,355.33
  5. Step 5: Solve for x
    x = 258,521,355.33/18,231.72
  6. Step 6: Final answer
    x = 14,179.76

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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.