Home / 16,821.34-23,215.26-9,268.44

Finding the Fourth Proportional to 16,821.34, 23,215.26 and 9,268.44

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Solution

The fourth proportional to 16,821.34, 23,215.26 and 9,268.44 is: 12,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.34 : 23,215.26 = 9,268.44 : x
  2. Step 2: Convert to fraction form
    16,821.34/23,215.26 = 9,268.44/x
  3. Step 3: Cross multiply
    16,821.34x = 23,215.26 × 9,268.44
  4. Step 4: Simplify right side
    16,821.34x = 215,169,244.39
  5. Step 5: Solve for x
    x = 215,169,244.39/16,821.34
  6. Step 6: Final answer
    x = 12,791.44

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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.