Home / 13,249.89-18,277.25-8,273.25

Finding the Fourth Proportional to 13,249.89, 18,277.25 and 8,273.25

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Solution

The fourth proportional to 13,249.89, 18,277.25 and 8,273.25 is: 11,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.89 : 18,277.25 = 8,273.25 : x
  2. Step 2: Convert to fraction form
    13,249.89/18,277.25 = 8,273.25/x
  3. Step 3: Cross multiply
    13,249.89x = 18,277.25 × 8,273.25
  4. Step 4: Simplify right side
    13,249.89x = 151,212,217.20
  5. Step 5: Solve for x
    x = 151,212,217.20/13,249.89
  6. Step 6: Final answer
    x = 11,412.34

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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.