Home / 18,517.36-25,565.88-16,524.49

Finding the Fourth Proportional to 18,517.36, 25,565.88 and 16,524.49

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Solution

The fourth proportional to 18,517.36, 25,565.88 and 16,524.49 is: 22,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.36 : 25,565.88 = 16,524.49 : x
  2. Step 2: Convert to fraction form
    18,517.36/25,565.88 = 16,524.49/x
  3. Step 3: Cross multiply
    18,517.36x = 25,565.88 × 16,524.49
  4. Step 4: Simplify right side
    18,517.36x = 422,463,128.40
  5. Step 5: Solve for x
    x = 422,463,128.40/18,517.36
  6. Step 6: Final answer
    x = 22,814.44

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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.