Home / 19,791.96-27,312.94-10,717.42

Finding the Fourth Proportional to 19,791.96, 27,312.94 and 10,717.42

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Solution

The fourth proportional to 19,791.96, 27,312.94 and 10,717.42 is: 14,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.96 : 27,312.94 = 10,717.42 : x
  2. Step 2: Convert to fraction form
    19,791.96/27,312.94 = 10,717.42/x
  3. Step 3: Cross multiply
    19,791.96x = 27,312.94 × 10,717.42
  4. Step 4: Simplify right side
    19,791.96x = 292,724,249.41
  5. Step 5: Solve for x
    x = 292,724,249.41/19,791.96
  6. Step 6: Final answer
    x = 14,790.06

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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.