Home / 25,529.88-38,305.37-11,290.86

Finding the Fourth Proportional to 25,529.88, 38,305.37 and 11,290.86

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Solution

The fourth proportional to 25,529.88, 38,305.37 and 11,290.86 is: 16,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.88 : 38,305.37 = 11,290.86 : x
  2. Step 2: Convert to fraction form
    25,529.88/38,305.37 = 11,290.86/x
  3. Step 3: Cross multiply
    25,529.88x = 38,305.37 × 11,290.86
  4. Step 4: Simplify right side
    25,529.88x = 432,500,598.15
  5. Step 5: Solve for x
    x = 432,500,598.15/25,529.88
  6. Step 6: Final answer
    x = 16,940.95

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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.