Home / 19,790.96-27,311.56-10,716.42

Finding the Fourth Proportional to 19,790.96, 27,311.56 and 10,716.42

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Solution

The fourth proportional to 19,790.96, 27,311.56 and 10,716.42 is: 14,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.96 : 27,311.56 = 10,716.42 : x
  2. Step 2: Convert to fraction form
    19,790.96/27,311.56 = 10,716.42/x
  3. Step 3: Cross multiply
    19,790.96x = 27,311.56 × 10,716.42
  4. Step 4: Simplify right side
    19,790.96x = 292,682,147.82
  5. Step 5: Solve for x
    x = 292,682,147.82/19,790.96
  6. Step 6: Final answer
    x = 14,788.68

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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.