Home / 18,823.23-25,987.32-11,759.22

Finding the Fourth Proportional to 18,823.23, 25,987.32 and 11,759.22

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Solution

The fourth proportional to 18,823.23, 25,987.32 and 11,759.22 is: 16,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.23 : 25,987.32 = 11,759.22 : x
  2. Step 2: Convert to fraction form
    18,823.23/25,987.32 = 11,759.22/x
  3. Step 3: Cross multiply
    18,823.23x = 25,987.32 × 11,759.22
  4. Step 4: Simplify right side
    18,823.23x = 305,590,613.09
  5. Step 5: Solve for x
    x = 305,590,613.09/18,823.23
  6. Step 6: Final answer
    x = 16,234.76

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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.