Home / 13,914.72-19,204.28-8,611.24

Finding the Fourth Proportional to 13,914.72, 19,204.28 and 8,611.24

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Solution

The fourth proportional to 13,914.72, 19,204.28 and 8,611.24 is: 11,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.72 : 19,204.28 = 8,611.24 : x
  2. Step 2: Convert to fraction form
    13,914.72/19,204.28 = 8,611.24/x
  3. Step 3: Cross multiply
    13,914.72x = 19,204.28 × 8,611.24
  4. Step 4: Simplify right side
    13,914.72x = 165,372,621.05
  5. Step 5: Solve for x
    x = 165,372,621.05/13,914.72
  6. Step 6: Final answer
    x = 11,884.73

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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.