Home / 16,784.44-23,162.09-9,231.55

Finding the Fourth Proportional to 16,784.44, 23,162.09 and 9,231.55

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Solution

The fourth proportional to 16,784.44, 23,162.09 and 9,231.55 is: 12,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.44 : 23,162.09 = 9,231.55 : x
  2. Step 2: Convert to fraction form
    16,784.44/23,162.09 = 9,231.55/x
  3. Step 3: Cross multiply
    16,784.44x = 23,162.09 × 9,231.55
  4. Step 4: Simplify right side
    16,784.44x = 213,821,887.88
  5. Step 5: Solve for x
    x = 213,821,887.88/16,784.44
  6. Step 6: Final answer
    x = 12,739.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.