Home / 16,845.16-23,245.92-9,291.33

Finding the Fourth Proportional to 16,845.16, 23,245.92 and 9,291.33

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Solution

The fourth proportional to 16,845.16, 23,245.92 and 9,291.33 is: 12,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.16 : 23,245.92 = 9,291.33 : x
  2. Step 2: Convert to fraction form
    16,845.16/23,245.92 = 9,291.33/x
  3. Step 3: Cross multiply
    16,845.16x = 23,245.92 × 9,291.33
  4. Step 4: Simplify right side
    16,845.16x = 215,985,479.03
  5. Step 5: Solve for x
    x = 215,985,479.03/16,845.16
  6. Step 6: Final answer
    x = 12,821.81

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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.