Home / 18,788.88-25,933.32-11,723.52

Finding the Fourth Proportional to 18,788.88, 25,933.32 and 11,723.52

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Solution

The fourth proportional to 18,788.88, 25,933.32 and 11,723.52 is: 16,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.88 : 25,933.32 = 11,723.52 : x
  2. Step 2: Convert to fraction form
    18,788.88/25,933.32 = 11,723.52/x
  3. Step 3: Cross multiply
    18,788.88x = 25,933.32 × 11,723.52
  4. Step 4: Simplify right side
    18,788.88x = 304,029,795.69
  5. Step 5: Solve for x
    x = 304,029,795.69/18,788.88
  6. Step 6: Final answer
    x = 16,181.37

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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.