Home / 16,791.88-23,172.91-9,238.70

Finding the Fourth Proportional to 16,791.88, 23,172.91 and 9,238.70

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Solution

The fourth proportional to 16,791.88, 23,172.91 and 9,238.70 is: 12,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.88 : 23,172.91 = 9,238.70 : x
  2. Step 2: Convert to fraction form
    16,791.88/23,172.91 = 9,238.70/x
  3. Step 3: Cross multiply
    16,791.88x = 23,172.91 × 9,238.70
  4. Step 4: Simplify right side
    16,791.88x = 214,087,563.62
  5. Step 5: Solve for x
    x = 214,087,563.62/16,791.88
  6. Step 6: Final answer
    x = 12,749.47

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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.