Home / 16,794.20-23,178.13-9,719.26

Finding the Fourth Proportional to 16,794.20, 23,178.13 and 9,719.26

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Solution

The fourth proportional to 16,794.20, 23,178.13 and 9,719.26 is: 13,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.20 : 23,178.13 = 9,719.26 : x
  2. Step 2: Convert to fraction form
    16,794.20/23,178.13 = 9,719.26/x
  3. Step 3: Cross multiply
    16,794.20x = 23,178.13 × 9,719.26
  4. Step 4: Simplify right side
    16,794.20x = 225,274,189.54
  5. Step 5: Solve for x
    x = 225,274,189.54/16,794.20
  6. Step 6: Final answer
    x = 13,413.81

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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.