Home / 18,795.12-25,939.89-11,723.82

Finding the Fourth Proportional to 18,795.12, 25,939.89 and 11,723.82

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Solution

The fourth proportional to 18,795.12, 25,939.89 and 11,723.82 is: 16,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.12 : 25,939.89 = 11,723.82 : x
  2. Step 2: Convert to fraction form
    18,795.12/25,939.89 = 11,723.82/x
  3. Step 3: Cross multiply
    18,795.12x = 25,939.89 × 11,723.82
  4. Step 4: Simplify right side
    18,795.12x = 304,114,601.18
  5. Step 5: Solve for x
    x = 304,114,601.18/18,795.12
  6. Step 6: Final answer
    x = 16,180.51

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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.