Home / 17,372.12-23,972.89-9,414.18

Finding the Fourth Proportional to 17,372.12, 23,972.89 and 9,414.18

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Solution

The fourth proportional to 17,372.12, 23,972.89 and 9,414.18 is: 12,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.12 : 23,972.89 = 9,414.18 : x
  2. Step 2: Convert to fraction form
    17,372.12/23,972.89 = 9,414.18/x
  3. Step 3: Cross multiply
    17,372.12x = 23,972.89 × 9,414.18
  4. Step 4: Simplify right side
    17,372.12x = 225,685,101.58
  5. Step 5: Solve for x
    x = 225,685,101.58/17,372.12
  6. Step 6: Final answer
    x = 12,991.22

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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.