Home / 19,791.48-27,312.92-10,839.52

Finding the Fourth Proportional to 19,791.48, 27,312.92 and 10,839.52

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Solution

The fourth proportional to 19,791.48, 27,312.92 and 10,839.52 is: 14,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.48 : 27,312.92 = 10,839.52 : x
  2. Step 2: Convert to fraction form
    19,791.48/27,312.92 = 10,839.52/x
  3. Step 3: Cross multiply
    19,791.48x = 27,312.92 × 10,839.52
  4. Step 4: Simplify right side
    19,791.48x = 296,058,942.60
  5. Step 5: Solve for x
    x = 296,058,942.60/19,791.48
  6. Step 6: Final answer
    x = 14,958.91

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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.