Home / 18,110.25-24,992.21-10,561.79

Finding the Fourth Proportional to 18,110.25, 24,992.21 and 10,561.79

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Solution

The fourth proportional to 18,110.25, 24,992.21 and 10,561.79 is: 14,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.25 : 24,992.21 = 10,561.79 : x
  2. Step 2: Convert to fraction form
    18,110.25/24,992.21 = 10,561.79/x
  3. Step 3: Cross multiply
    18,110.25x = 24,992.21 × 10,561.79
  4. Step 4: Simplify right side
    18,110.25x = 263,962,562.54
  5. Step 5: Solve for x
    x = 263,962,562.54/18,110.25
  6. Step 6: Final answer
    x = 14,575.31

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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.