Home / 19,840.44-27,380.22-10,887.42

Finding the Fourth Proportional to 19,840.44, 27,380.22 and 10,887.42

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Solution

The fourth proportional to 19,840.44, 27,380.22 and 10,887.42 is: 15,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.44 : 27,380.22 = 10,887.42 : x
  2. Step 2: Convert to fraction form
    19,840.44/27,380.22 = 10,887.42/x
  3. Step 3: Cross multiply
    19,840.44x = 27,380.22 × 10,887.42
  4. Step 4: Simplify right side
    19,840.44x = 298,099,954.83
  5. Step 5: Solve for x
    x = 298,099,954.83/19,840.44
  6. Step 6: Final answer
    x = 15,024.87

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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.