Home / 17,257.44-25,874.63-13,929.78

Finding the Fourth Proportional to 17,257.44, 25,874.63 and 13,929.78

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Solution

The fourth proportional to 17,257.44, 25,874.63 and 13,929.78 is: 20,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.44 : 25,874.63 = 13,929.78 : x
  2. Step 2: Convert to fraction form
    17,257.44/25,874.63 = 13,929.78/x
  3. Step 3: Cross multiply
    17,257.44x = 25,874.63 × 13,929.78
  4. Step 4: Simplify right side
    17,257.44x = 360,427,833.83
  5. Step 5: Solve for x
    x = 360,427,833.83/17,257.44
  6. Step 6: Final answer
    x = 20,885.36

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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.