Home / 18,165.08-25,058.40-12,198.44

Finding the Fourth Proportional to 18,165.08, 25,058.40 and 12,198.44

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Solution

The fourth proportional to 18,165.08, 25,058.40 and 12,198.44 is: 16,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.08 : 25,058.40 = 12,198.44 : x
  2. Step 2: Convert to fraction form
    18,165.08/25,058.40 = 12,198.44/x
  3. Step 3: Cross multiply
    18,165.08x = 25,058.40 × 12,198.44
  4. Step 4: Simplify right side
    18,165.08x = 305,673,388.90
  5. Step 5: Solve for x
    x = 305,673,388.90/18,165.08
  6. Step 6: Final answer
    x = 16,827.53

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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.