Home / 18,101.12-24,956.26-11,716.40

Finding the Fourth Proportional to 18,101.12, 24,956.26 and 11,716.40

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Solution

The fourth proportional to 18,101.12, 24,956.26 and 11,716.40 is: 16,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.12 : 24,956.26 = 11,716.40 : x
  2. Step 2: Convert to fraction form
    18,101.12/24,956.26 = 11,716.40/x
  3. Step 3: Cross multiply
    18,101.12x = 24,956.26 × 11,716.40
  4. Step 4: Simplify right side
    18,101.12x = 292,397,524.66
  5. Step 5: Solve for x
    x = 292,397,524.66/18,101.12
  6. Step 6: Final answer
    x = 16,153.56

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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.