Home / 17,213.45-25,804.37-6,690.53

Finding the Fourth Proportional to 17,213.45, 25,804.37 and 6,690.53

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Solution

The fourth proportional to 17,213.45, 25,804.37 and 6,690.53 is: 10,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.45 : 25,804.37 = 6,690.53 : x
  2. Step 2: Convert to fraction form
    17,213.45/25,804.37 = 6,690.53/x
  3. Step 3: Cross multiply
    17,213.45x = 25,804.37 × 6,690.53
  4. Step 4: Simplify right side
    17,213.45x = 172,644,992.85
  5. Step 5: Solve for x
    x = 172,644,992.85/17,213.45
  6. Step 6: Final answer
    x = 10,029.66

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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.