Home / 18,767.73-25,844.34-16,777.56

Finding the Fourth Proportional to 18,767.73, 25,844.34 and 16,777.56

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Solution

The fourth proportional to 18,767.73, 25,844.34 and 16,777.56 is: 23,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.73 : 25,844.34 = 16,777.56 : x
  2. Step 2: Convert to fraction form
    18,767.73/25,844.34 = 16,777.56/x
  3. Step 3: Cross multiply
    18,767.73x = 25,844.34 × 16,777.56
  4. Step 4: Simplify right side
    18,767.73x = 433,604,965.01
  5. Step 5: Solve for x
    x = 433,604,965.01/18,767.73
  6. Step 6: Final answer
    x = 23,103.75

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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.