Home / 18,416.24-25,416.24-11,245.76

Finding the Fourth Proportional to 18,416.24, 25,416.24 and 11,245.76

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Solution

The fourth proportional to 18,416.24, 25,416.24 and 11,245.76 is: 15,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.24 : 25,416.24 = 11,245.76 : x
  2. Step 2: Convert to fraction form
    18,416.24/25,416.24 = 11,245.76/x
  3. Step 3: Cross multiply
    18,416.24x = 25,416.24 × 11,245.76
  4. Step 4: Simplify right side
    18,416.24x = 285,824,935.14
  5. Step 5: Solve for x
    x = 285,824,935.14/18,416.24
  6. Step 6: Final answer
    x = 15,520.27

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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.