Home / 16,791.78-25,186.75-5,104.08

Finding the Fourth Proportional to 16,791.78, 25,186.75 and 5,104.08

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Solution

The fourth proportional to 16,791.78, 25,186.75 and 5,104.08 is: 7,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.78 : 25,186.75 = 5,104.08 : x
  2. Step 2: Convert to fraction form
    16,791.78/25,186.75 = 5,104.08/x
  3. Step 3: Cross multiply
    16,791.78x = 25,186.75 × 5,104.08
  4. Step 4: Simplify right side
    16,791.78x = 128,555,186.94
  5. Step 5: Solve for x
    x = 128,555,186.94/16,791.78
  6. Step 6: Final answer
    x = 7,655.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.