Home / 18,057.36-27,088.62-5,578.44

Finding the Fourth Proportional to 18,057.36, 27,088.62 and 5,578.44

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Solution

The fourth proportional to 18,057.36, 27,088.62 and 5,578.44 is: 8,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.36 : 27,088.62 = 5,578.44 : x
  2. Step 2: Convert to fraction form
    18,057.36/27,088.62 = 5,578.44/x
  3. Step 3: Cross multiply
    18,057.36x = 27,088.62 × 5,578.44
  4. Step 4: Simplify right side
    18,057.36x = 151,112,241.35
  5. Step 5: Solve for x
    x = 151,112,241.35/18,057.36
  6. Step 6: Final answer
    x = 8,368.46

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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.