Home / 26,979.36-40,474.48-11,396.96

Finding the Fourth Proportional to 26,979.36, 40,474.48 and 11,396.96

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Solution

The fourth proportional to 26,979.36, 40,474.48 and 11,396.96 is: 17,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.36 : 40,474.48 = 11,396.96 : x
  2. Step 2: Convert to fraction form
    26,979.36/40,474.48 = 11,396.96/x
  3. Step 3: Cross multiply
    26,979.36x = 40,474.48 × 11,396.96
  4. Step 4: Simplify right side
    26,979.36x = 461,286,029.58
  5. Step 5: Solve for x
    x = 461,286,029.58/26,979.36
  6. Step 6: Final answer
    x = 17,097.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.