Home / 19,405.08-26,777.82-11,447.64

Finding the Fourth Proportional to 19,405.08, 26,777.82 and 11,447.64

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Solution

The fourth proportional to 19,405.08, 26,777.82 and 11,447.64 is: 15,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.08 : 26,777.82 = 11,447.64 : x
  2. Step 2: Convert to fraction form
    19,405.08/26,777.82 = 11,447.64/x
  3. Step 3: Cross multiply
    19,405.08x = 26,777.82 × 11,447.64
  4. Step 4: Simplify right side
    19,405.08x = 306,542,843.34
  5. Step 5: Solve for x
    x = 306,542,843.34/19,405.08
  6. Step 6: Final answer
    x = 15,797.04

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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.