Home / 12,924.88-19,383.36-4,157.44

Finding the Fourth Proportional to 12,924.88, 19,383.36 and 4,157.44

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Solution

The fourth proportional to 12,924.88, 19,383.36 and 4,157.44 is: 6,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.88 : 19,383.36 = 4,157.44 : x
  2. Step 2: Convert to fraction form
    12,924.88/19,383.36 = 4,157.44/x
  3. Step 3: Cross multiply
    12,924.88x = 19,383.36 × 4,157.44
  4. Step 4: Simplify right side
    12,924.88x = 80,585,156.20
  5. Step 5: Solve for x
    x = 80,585,156.20/12,924.88
  6. Step 6: Final answer
    x = 6,234.89

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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.