Home / 19,629.11-29,443.85-5,589.13

Finding the Fourth Proportional to 19,629.11, 29,443.85 and 5,589.13

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Solution

The fourth proportional to 19,629.11, 29,443.85 and 5,589.13 is: 8,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.11 : 29,443.85 = 5,589.13 : x
  2. Step 2: Convert to fraction form
    19,629.11/29,443.85 = 5,589.13/x
  3. Step 3: Cross multiply
    19,629.11x = 29,443.85 × 5,589.13
  4. Step 4: Simplify right side
    19,629.11x = 164,565,403.80
  5. Step 5: Solve for x
    x = 164,565,403.80/19,629.11
  6. Step 6: Final answer
    x = 8,383.74

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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.