Home / 13,650.41-18,835.83-7,984.04

Finding the Fourth Proportional to 13,650.41, 18,835.83 and 7,984.04

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Solution

The fourth proportional to 13,650.41, 18,835.83 and 7,984.04 is: 11,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.41 : 18,835.83 = 7,984.04 : x
  2. Step 2: Convert to fraction form
    13,650.41/18,835.83 = 7,984.04/x
  3. Step 3: Cross multiply
    13,650.41x = 18,835.83 × 7,984.04
  4. Step 4: Simplify right side
    13,650.41x = 150,385,925.97
  5. Step 5: Solve for x
    x = 150,385,925.97/13,650.41
  6. Step 6: Final answer
    x = 11,016.96

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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.