Home / 12,926.44-19,391.52-4,158.44

Finding the Fourth Proportional to 12,926.44, 19,391.52 and 4,158.44

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Solution

The fourth proportional to 12,926.44, 19,391.52 and 4,158.44 is: 6,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.44 : 19,391.52 = 4,158.44 : x
  2. Step 2: Convert to fraction form
    12,926.44/19,391.52 = 4,158.44/x
  3. Step 3: Cross multiply
    12,926.44x = 19,391.52 × 4,158.44
  4. Step 4: Simplify right side
    12,926.44x = 80,638,472.43
  5. Step 5: Solve for x
    x = 80,638,472.43/12,926.44
  6. Step 6: Final answer
    x = 6,238.26

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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.