Home / 16,781.97-23,159.39-9,228.63

Finding the Fourth Proportional to 16,781.97, 23,159.39 and 9,228.63

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Solution

The fourth proportional to 16,781.97, 23,159.39 and 9,228.63 is: 12,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.97 : 23,159.39 = 9,228.63 : x
  2. Step 2: Convert to fraction form
    16,781.97/23,159.39 = 9,228.63/x
  3. Step 3: Cross multiply
    16,781.97x = 23,159.39 × 9,228.63
  4. Step 4: Simplify right side
    16,781.97x = 213,729,395.19
  5. Step 5: Solve for x
    x = 213,729,395.19/16,781.97
  6. Step 6: Final answer
    x = 12,735.66

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Half scale
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Double scale
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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.