Home / 13,942.26-19,122.35-12,367.62

Finding the Fourth Proportional to 13,942.26, 19,122.35 and 12,367.62

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Solution

The fourth proportional to 13,942.26, 19,122.35 and 12,367.62 is: 16,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.26 : 19,122.35 = 12,367.62 : x
  2. Step 2: Convert to fraction form
    13,942.26/19,122.35 = 12,367.62/x
  3. Step 3: Cross multiply
    13,942.26x = 19,122.35 × 12,367.62
  4. Step 4: Simplify right side
    13,942.26x = 236,497,896.47
  5. Step 5: Solve for x
    x = 236,497,896.47/13,942.26
  6. Step 6: Final answer
    x = 16,962.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.