Home / 18,368.25-27,584.66-18,105.28

Finding the Fourth Proportional to 18,368.25, 27,584.66 and 18,105.28

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Solution

The fourth proportional to 18,368.25, 27,584.66 and 18,105.28 is: 27,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.25 : 27,584.66 = 18,105.28 : x
  2. Step 2: Convert to fraction form
    18,368.25/27,584.66 = 18,105.28/x
  3. Step 3: Cross multiply
    18,368.25x = 27,584.66 × 18,105.28
  4. Step 4: Simplify right side
    18,368.25x = 499,427,969.31
  5. Step 5: Solve for x
    x = 499,427,969.31/18,368.25
  6. Step 6: Final answer
    x = 27,189.74

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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.