Home / 16,728.39-23,083.52-9,657.09

Finding the Fourth Proportional to 16,728.39, 23,083.52 and 9,657.09

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Solution

The fourth proportional to 16,728.39, 23,083.52 and 9,657.09 is: 13,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.39 : 23,083.52 = 9,657.09 : x
  2. Step 2: Convert to fraction form
    16,728.39/23,083.52 = 9,657.09/x
  3. Step 3: Cross multiply
    16,728.39x = 23,083.52 × 9,657.09
  4. Step 4: Simplify right side
    16,728.39x = 222,919,581.87
  5. Step 5: Solve for x
    x = 222,919,581.87/16,728.39
  6. Step 6: Final answer
    x = 13,325.82

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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.