Home / 19,404.82-26,777.86-11,863.79

Finding the Fourth Proportional to 19,404.82, 26,777.86 and 11,863.79

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Solution

The fourth proportional to 19,404.82, 26,777.86 and 11,863.79 is: 16,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.82 : 26,777.86 = 11,863.79 : x
  2. Step 2: Convert to fraction form
    19,404.82/26,777.86 = 11,863.79/x
  3. Step 3: Cross multiply
    19,404.82x = 26,777.86 × 11,863.79
  4. Step 4: Simplify right side
    19,404.82x = 317,686,907.69
  5. Step 5: Solve for x
    x = 317,686,907.69/19,404.82
  6. Step 6: Final answer
    x = 16,371.55

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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.