Home / 17,611.43-26,420.61-6,518.22

Finding the Fourth Proportional to 17,611.43, 26,420.61 and 6,518.22

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Solution

The fourth proportional to 17,611.43, 26,420.61 and 6,518.22 is: 9,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.43 : 26,420.61 = 6,518.22 : x
  2. Step 2: Convert to fraction form
    17,611.43/26,420.61 = 6,518.22/x
  3. Step 3: Cross multiply
    17,611.43x = 26,420.61 × 6,518.22
  4. Step 4: Simplify right side
    17,611.43x = 172,215,325.15
  5. Step 5: Solve for x
    x = 172,215,325.15/17,611.43
  6. Step 6: Final answer
    x = 9,778.61

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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.