Home / 18,540.90-25,577.88-16,418.60

Finding the Fourth Proportional to 18,540.90, 25,577.88 and 16,418.60

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Solution

The fourth proportional to 18,540.90, 25,577.88 and 16,418.60 is: 22,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.90 : 25,577.88 = 16,418.60 : x
  2. Step 2: Convert to fraction form
    18,540.90/25,577.88 = 16,418.60/x
  3. Step 3: Cross multiply
    18,540.90x = 25,577.88 × 16,418.60
  4. Step 4: Simplify right side
    18,540.90x = 419,952,887.03
  5. Step 5: Solve for x
    x = 419,952,887.03/18,540.90
  6. Step 6: Final answer
    x = 22,650.08

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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.