Home / 17,396.55-26,099.54-12,405.23

Finding the Fourth Proportional to 17,396.55, 26,099.54 and 12,405.23

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Solution

The fourth proportional to 17,396.55, 26,099.54 and 12,405.23 is: 18,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,396.55 : 26,099.54 = 12,405.23 : x
  2. Step 2: Convert to fraction form
    17,396.55/26,099.54 = 12,405.23/x
  3. Step 3: Cross multiply
    17,396.55x = 26,099.54 × 12,405.23
  4. Step 4: Simplify right side
    17,396.55x = 323,770,790.45
  5. Step 5: Solve for x
    x = 323,770,790.45/17,396.55
  6. Step 6: Final answer
    x = 18,611.20

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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.