Home / 17,551.42-26,312.32-8,186.50

Finding the Fourth Proportional to 17,551.42, 26,312.32 and 8,186.50

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Solution

The fourth proportional to 17,551.42, 26,312.32 and 8,186.50 is: 12,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551.42 : 26,312.32 = 8,186.50 : x
  2. Step 2: Convert to fraction form
    17,551.42/26,312.32 = 8,186.50/x
  3. Step 3: Cross multiply
    17,551.42x = 26,312.32 × 8,186.50
  4. Step 4: Simplify right side
    17,551.42x = 215,405,850.80
  5. Step 5: Solve for x
    x = 215,405,850.80/17,551.42
  6. Step 6: Final answer
    x = 12,272.85

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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.