Home / 16,791.16-23,166.39-10,812.28

Finding the Fourth Proportional to 16,791.16, 23,166.39 and 10,812.28

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Solution

The fourth proportional to 16,791.16, 23,166.39 and 10,812.28 is: 14,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.16 : 23,166.39 = 10,812.28 : x
  2. Step 2: Convert to fraction form
    16,791.16/23,166.39 = 10,812.28/x
  3. Step 3: Cross multiply
    16,791.16x = 23,166.39 × 10,812.28
  4. Step 4: Simplify right side
    16,791.16x = 250,481,495.27
  5. Step 5: Solve for x
    x = 250,481,495.27/16,791.16
  6. Step 6: Final answer
    x = 14,917.46

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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.