Home / 13,174.82-18,187.89-10,183.90

Finding the Fourth Proportional to 13,174.82, 18,187.89 and 10,183.90

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Solution

The fourth proportional to 13,174.82, 18,187.89 and 10,183.90 is: 14,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.82 : 18,187.89 = 10,183.90 : x
  2. Step 2: Convert to fraction form
    13,174.82/18,187.89 = 10,183.90/x
  3. Step 3: Cross multiply
    13,174.82x = 18,187.89 × 10,183.90
  4. Step 4: Simplify right side
    13,174.82x = 185,223,652.97
  5. Step 5: Solve for x
    x = 185,223,652.97/13,174.82
  6. Step 6: Final answer
    x = 14,058.91

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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.