Home / 17,766.83-26,662.13-7,378.58

Finding the Fourth Proportional to 17,766.83, 26,662.13 and 7,378.58

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Solution

The fourth proportional to 17,766.83, 26,662.13 and 7,378.58 is: 11,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766.83 : 26,662.13 = 7,378.58 : x
  2. Step 2: Convert to fraction form
    17,766.83/26,662.13 = 7,378.58/x
  3. Step 3: Cross multiply
    17,766.83x = 26,662.13 × 7,378.58
  4. Step 4: Simplify right side
    17,766.83x = 196,728,659.18
  5. Step 5: Solve for x
    x = 196,728,659.18/17,766.83
  6. Step 6: Final answer
    x = 11,072.81

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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.