Home / 18,180.36-27,226.80-10,365.48

Finding the Fourth Proportional to 18,180.36, 27,226.80 and 10,365.48

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Solution

The fourth proportional to 18,180.36, 27,226.80 and 10,365.48 is: 15,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.36 : 27,226.80 = 10,365.48 : x
  2. Step 2: Convert to fraction form
    18,180.36/27,226.80 = 10,365.48/x
  3. Step 3: Cross multiply
    18,180.36x = 27,226.80 × 10,365.48
  4. Step 4: Simplify right side
    18,180.36x = 282,218,850.86
  5. Step 5: Solve for x
    x = 282,218,850.86/18,180.36
  6. Step 6: Final answer
    x = 15,523.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.