Home / 27,593.25-38,078.69-15,018.09

Finding the Fourth Proportional to 27,593.25, 38,078.69 and 15,018.09

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Solution

The fourth proportional to 27,593.25, 38,078.69 and 15,018.09 is: 20,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.25 : 38,078.69 = 15,018.09 : x
  2. Step 2: Convert to fraction form
    27,593.25/38,078.69 = 15,018.09/x
  3. Step 3: Cross multiply
    27,593.25x = 38,078.69 × 15,018.09
  4. Step 4: Simplify right side
    27,593.25x = 571,869,118.41
  5. Step 5: Solve for x
    x = 571,869,118.41/27,593.25
  6. Step 6: Final answer
    x = 20,724.96

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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.