Home / 16,661.16-24,964.05-11,720.43

Finding the Fourth Proportional to 16,661.16, 24,964.05 and 11,720.43

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Solution

The fourth proportional to 16,661.16, 24,964.05 and 11,720.43 is: 17,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.16 : 24,964.05 = 11,720.43 : x
  2. Step 2: Convert to fraction form
    16,661.16/24,964.05 = 11,720.43/x
  3. Step 3: Cross multiply
    16,661.16x = 24,964.05 × 11,720.43
  4. Step 4: Simplify right side
    16,661.16x = 292,589,400.54
  5. Step 5: Solve for x
    x = 292,589,400.54/16,661.16
  6. Step 6: Final answer
    x = 17,561.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.