Home / 26,902.26-40,359.86-8,434.26

Finding the Fourth Proportional to 26,902.26, 40,359.86 and 8,434.26

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Solution

The fourth proportional to 26,902.26, 40,359.86 and 8,434.26 is: 12,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.26 : 40,359.86 = 8,434.26 : x
  2. Step 2: Convert to fraction form
    26,902.26/40,359.86 = 8,434.26/x
  3. Step 3: Cross multiply
    26,902.26x = 40,359.86 × 8,434.26
  4. Step 4: Simplify right side
    26,902.26x = 340,405,552.80
  5. Step 5: Solve for x
    x = 340,405,552.80/26,902.26
  6. Step 6: Final answer
    x = 12,653.42

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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.