Home / 19,636.19-29,443.10-13,403.73

Finding the Fourth Proportional to 19,636.19, 29,443.10 and 13,403.73

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Solution

The fourth proportional to 19,636.19, 29,443.10 and 13,403.73 is: 20,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.19 : 29,443.10 = 13,403.73 : x
  2. Step 2: Convert to fraction form
    19,636.19/29,443.10 = 13,403.73/x
  3. Step 3: Cross multiply
    19,636.19x = 29,443.10 × 13,403.73
  4. Step 4: Simplify right side
    19,636.19x = 394,647,295.74
  5. Step 5: Solve for x
    x = 394,647,295.74/19,636.19
  6. Step 6: Final answer
    x = 20,097.96

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1.5x scale

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.