Home / 18,822.73-25,986.64-11,758.72

Finding the Fourth Proportional to 18,822.73, 25,986.64 and 11,758.72

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Solution

The fourth proportional to 18,822.73, 25,986.64 and 11,758.72 is: 16,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.73 : 25,986.64 = 11,758.72 : x
  2. Step 2: Convert to fraction form
    18,822.73/25,986.64 = 11,758.72/x
  3. Step 3: Cross multiply
    18,822.73x = 25,986.64 × 11,758.72
  4. Step 4: Simplify right side
    18,822.73x = 305,569,623.50
  5. Step 5: Solve for x
    x = 305,569,623.50/18,822.73
  6. Step 6: Final answer
    x = 16,234.08

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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.