Home / 18,273.64-27,400.74-11,236.36

Finding the Fourth Proportional to 18,273.64, 27,400.74 and 11,236.36

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Solution

The fourth proportional to 18,273.64, 27,400.74 and 11,236.36 is: 16,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.64 : 27,400.74 = 11,236.36 : x
  2. Step 2: Convert to fraction form
    18,273.64/27,400.74 = 11,236.36/x
  3. Step 3: Cross multiply
    18,273.64x = 27,400.74 × 11,236.36
  4. Step 4: Simplify right side
    18,273.64x = 307,884,578.91
  5. Step 5: Solve for x
    x = 307,884,578.91/18,273.64
  6. Step 6: Final answer
    x = 16,848.56

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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.