Home / 26,979.21-40,487.24-9,448.79

Finding the Fourth Proportional to 26,979.21, 40,487.24 and 9,448.79

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Solution

The fourth proportional to 26,979.21, 40,487.24 and 9,448.79 is: 14,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.21 : 40,487.24 = 9,448.79 : x
  2. Step 2: Convert to fraction form
    26,979.21/40,487.24 = 9,448.79/x
  3. Step 3: Cross multiply
    26,979.21x = 40,487.24 × 9,448.79
  4. Step 4: Simplify right side
    26,979.21x = 382,555,249.63
  5. Step 5: Solve for x
    x = 382,555,249.63/26,979.21
  6. Step 6: Final answer
    x = 14,179.63

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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.