Home / 18,524.24-27,786.48-5,376.80

Finding the Fourth Proportional to 18,524.24, 27,786.48 and 5,376.80

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Solution

The fourth proportional to 18,524.24, 27,786.48 and 5,376.80 is: 8,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.24 : 27,786.48 = 5,376.80 : x
  2. Step 2: Convert to fraction form
    18,524.24/27,786.48 = 5,376.80/x
  3. Step 3: Cross multiply
    18,524.24x = 27,786.48 × 5,376.80
  4. Step 4: Simplify right side
    18,524.24x = 149,402,345.66
  5. Step 5: Solve for x
    x = 149,402,345.66/18,524.24
  6. Step 6: Final answer
    x = 8,065.23

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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.