Home / 13,766.04-18,996.93-8,101.44

Finding the Fourth Proportional to 13,766.04, 18,996.93 and 8,101.44

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Solution

The fourth proportional to 13,766.04, 18,996.93 and 8,101.44 is: 11,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.04 : 18,996.93 = 8,101.44 : x
  2. Step 2: Convert to fraction form
    13,766.04/18,996.93 = 8,101.44/x
  3. Step 3: Cross multiply
    13,766.04x = 18,996.93 × 8,101.44
  4. Step 4: Simplify right side
    13,766.04x = 153,902,488.58
  5. Step 5: Solve for x
    x = 153,902,488.58/13,766.04
  6. Step 6: Final answer
    x = 11,179.87

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1.5x scale

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.