Home / 18,813.67-25,956.96-11,744.19

Finding the Fourth Proportional to 18,813.67, 25,956.96 and 11,744.19

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Solution

The fourth proportional to 18,813.67, 25,956.96 and 11,744.19 is: 16,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.67 : 25,956.96 = 11,744.19 : x
  2. Step 2: Convert to fraction form
    18,813.67/25,956.96 = 11,744.19/x
  3. Step 3: Cross multiply
    18,813.67x = 25,956.96 × 11,744.19
  4. Step 4: Simplify right side
    18,813.67x = 304,843,426.02
  5. Step 5: Solve for x
    x = 304,843,426.02/18,813.67
  6. Step 6: Final answer
    x = 16,203.30

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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.