Home / 13,400.60-18,493.02-8,094.44

Finding the Fourth Proportional to 13,400.60, 18,493.02 and 8,094.44

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Solution

The fourth proportional to 13,400.60, 18,493.02 and 8,094.44 is: 11,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.60 : 18,493.02 = 8,094.44 : x
  2. Step 2: Convert to fraction form
    13,400.60/18,493.02 = 8,094.44/x
  3. Step 3: Cross multiply
    13,400.60x = 18,493.02 × 8,094.44
  4. Step 4: Simplify right side
    13,400.60x = 149,690,640.81
  5. Step 5: Solve for x
    x = 149,690,640.81/13,400.60
  6. Step 6: Final answer
    x = 11,170.44

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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.