Home / 18,524.16-27,786.24-10,782.72

Finding the Fourth Proportional to 18,524.16, 27,786.24 and 10,782.72

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Solution

The fourth proportional to 18,524.16, 27,786.24 and 10,782.72 is: 16,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.16 : 27,786.24 = 10,782.72 : x
  2. Step 2: Convert to fraction form
    18,524.16/27,786.24 = 10,782.72/x
  3. Step 3: Cross multiply
    18,524.16x = 27,786.24 × 10,782.72
  4. Step 4: Simplify right side
    18,524.16x = 299,611,245.77
  5. Step 5: Solve for x
    x = 299,611,245.77/18,524.16
  6. Step 6: Final answer
    x = 16,174.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.