Home / 13,652.09-18,792.50-11,769.90

Finding the Fourth Proportional to 13,652.09, 18,792.50 and 11,769.90

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Solution

The fourth proportional to 13,652.09, 18,792.50 and 11,769.90 is: 16,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.09 : 18,792.50 = 11,769.90 : x
  2. Step 2: Convert to fraction form
    13,652.09/18,792.50 = 11,769.90/x
  3. Step 3: Cross multiply
    13,652.09x = 18,792.50 × 11,769.90
  4. Step 4: Simplify right side
    13,652.09x = 221,185,786.90
  5. Step 5: Solve for x
    x = 221,185,786.90/13,652.09
  6. Step 6: Final answer
    x = 16,201.61

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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.