Home / 16,791.57-23,169.51-9,716.76

Finding the Fourth Proportional to 16,791.57, 23,169.51 and 9,716.76

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Solution

The fourth proportional to 16,791.57, 23,169.51 and 9,716.76 is: 13,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.57 : 23,169.51 = 9,716.76 : x
  2. Step 2: Convert to fraction form
    16,791.57/23,169.51 = 9,716.76/x
  3. Step 3: Cross multiply
    16,791.57x = 23,169.51 × 9,716.76
  4. Step 4: Simplify right side
    16,791.57x = 225,132,567.99
  5. Step 5: Solve for x
    x = 225,132,567.99/16,791.57
  6. Step 6: Final answer
    x = 13,407.48

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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.