Home / 19,791.58-27,312.36-10,839.08

Finding the Fourth Proportional to 19,791.58, 27,312.36 and 10,839.08

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Solution

The fourth proportional to 19,791.58, 27,312.36 and 10,839.08 is: 14,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.58 : 27,312.36 = 10,839.08 : x
  2. Step 2: Convert to fraction form
    19,791.58/27,312.36 = 10,839.08/x
  3. Step 3: Cross multiply
    19,791.58x = 27,312.36 × 10,839.08
  4. Step 4: Simplify right side
    19,791.58x = 296,040,855.03
  5. Step 5: Solve for x
    x = 296,040,855.03/19,791.58
  6. Step 6: Final answer
    x = 14,957.92

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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.