Home / 17,178.58-25,745.34-12,450.62

Finding the Fourth Proportional to 17,178.58, 25,745.34 and 12,450.62

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Solution

The fourth proportional to 17,178.58, 25,745.34 and 12,450.62 is: 18,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.58 : 25,745.34 = 12,450.62 : x
  2. Step 2: Convert to fraction form
    17,178.58/25,745.34 = 12,450.62/x
  3. Step 3: Cross multiply
    17,178.58x = 25,745.34 × 12,450.62
  4. Step 4: Simplify right side
    17,178.58x = 320,545,445.11
  5. Step 5: Solve for x
    x = 320,545,445.11/17,178.58
  6. Step 6: Final answer
    x = 18,659.60

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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.