Home / 25,327.29-37,933.83-12,189.51

Finding the Fourth Proportional to 25,327.29, 37,933.83 and 12,189.51

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Solution

The fourth proportional to 25,327.29, 37,933.83 and 12,189.51 is: 18,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.29 : 37,933.83 = 12,189.51 : x
  2. Step 2: Convert to fraction form
    25,327.29/37,933.83 = 12,189.51/x
  3. Step 3: Cross multiply
    25,327.29x = 37,933.83 × 12,189.51
  4. Step 4: Simplify right side
    25,327.29x = 462,394,800.12
  5. Step 5: Solve for x
    x = 462,394,800.12/25,327.29
  6. Step 6: Final answer
    x = 18,256.78

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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.