Home / 17,011.80-25,467.30-12,648.60

Finding the Fourth Proportional to 17,011.80, 25,467.30 and 12,648.60

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Solution

The fourth proportional to 17,011.80, 25,467.30 and 12,648.60 is: 18,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.80 : 25,467.30 = 12,648.60 : x
  2. Step 2: Convert to fraction form
    17,011.80/25,467.30 = 12,648.60/x
  3. Step 3: Cross multiply
    17,011.80x = 25,467.30 × 12,648.60
  4. Step 4: Simplify right side
    17,011.80x = 322,125,690.78
  5. Step 5: Solve for x
    x = 322,125,690.78/17,011.80
  6. Step 6: Final answer
    x = 18,935.43

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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.