Home / 19,629.60-29,439.99-5,589.33

Finding the Fourth Proportional to 19,629.60, 29,439.99 and 5,589.33

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Solution

The fourth proportional to 19,629.60, 29,439.99 and 5,589.33 is: 8,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.60 : 29,439.99 = 5,589.33 : x
  2. Step 2: Convert to fraction form
    19,629.60/29,439.99 = 5,589.33/x
  3. Step 3: Cross multiply
    19,629.60x = 29,439.99 × 5,589.33
  4. Step 4: Simplify right side
    19,629.60x = 164,549,819.31
  5. Step 5: Solve for x
    x = 164,549,819.31/19,629.60
  6. Step 6: Final answer
    x = 8,382.74

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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.