Home / 18,344.43-25,305.66-11,618.19

Finding the Fourth Proportional to 18,344.43, 25,305.66 and 11,618.19

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Solution

The fourth proportional to 18,344.43, 25,305.66 and 11,618.19 is: 16,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.43 : 25,305.66 = 11,618.19 : x
  2. Step 2: Convert to fraction form
    18,344.43/25,305.66 = 11,618.19/x
  3. Step 3: Cross multiply
    18,344.43x = 25,305.66 × 11,618.19
  4. Step 4: Simplify right side
    18,344.43x = 294,005,965.96
  5. Step 5: Solve for x
    x = 294,005,965.96/18,344.43
  6. Step 6: Final answer
    x = 16,026.99

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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.