Home / 13,861.44-19,126.58-7,893.23

Finding the Fourth Proportional to 13,861.44, 19,126.58 and 7,893.23

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Solution

The fourth proportional to 13,861.44, 19,126.58 and 7,893.23 is: 10,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.44 : 19,126.58 = 7,893.23 : x
  2. Step 2: Convert to fraction form
    13,861.44/19,126.58 = 7,893.23/x
  3. Step 3: Cross multiply
    13,861.44x = 19,126.58 × 7,893.23
  4. Step 4: Simplify right side
    13,861.44x = 150,970,359.95
  5. Step 5: Solve for x
    x = 150,970,359.95/13,861.44
  6. Step 6: Final answer
    x = 10,891.39

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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.