Home / 25,965.86-38,933.23-11,908.28

Finding the Fourth Proportional to 25,965.86, 38,933.23 and 11,908.28

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Solution

The fourth proportional to 25,965.86, 38,933.23 and 11,908.28 is: 17,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.86 : 38,933.23 = 11,908.28 : x
  2. Step 2: Convert to fraction form
    25,965.86/38,933.23 = 11,908.28/x
  3. Step 3: Cross multiply
    25,965.86x = 38,933.23 × 11,908.28
  4. Step 4: Simplify right side
    25,965.86x = 463,627,744.60
  5. Step 5: Solve for x
    x = 463,627,744.60/25,965.86
  6. Step 6: Final answer
    x = 17,855.28

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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.