Home / 25,849.44-38,719.68-11,821.28

Finding the Fourth Proportional to 25,849.44, 38,719.68 and 11,821.28

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Solution

The fourth proportional to 25,849.44, 38,719.68 and 11,821.28 is: 17,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.44 : 38,719.68 = 11,821.28 : x
  2. Step 2: Convert to fraction form
    25,849.44/38,719.68 = 11,821.28/x
  3. Step 3: Cross multiply
    25,849.44x = 38,719.68 × 11,821.28
  4. Step 4: Simplify right side
    25,849.44x = 457,715,940.86
  5. Step 5: Solve for x
    x = 457,715,940.86/25,849.44
  6. Step 6: Final answer
    x = 17,707.00

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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.