Home / 18,728.98-25,843.82-10,773.77

Finding the Fourth Proportional to 18,728.98, 25,843.82 and 10,773.77

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Solution

The fourth proportional to 18,728.98, 25,843.82 and 10,773.77 is: 14,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.98 : 25,843.82 = 10,773.77 : x
  2. Step 2: Convert to fraction form
    18,728.98/25,843.82 = 10,773.77/x
  3. Step 3: Cross multiply
    18,728.98x = 25,843.82 × 10,773.77
  4. Step 4: Simplify right side
    18,728.98x = 278,435,189.51
  5. Step 5: Solve for x
    x = 278,435,189.51/18,728.98
  6. Step 6: Final answer
    x = 14,866.55

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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.