Home / 19,636.16-29,453.42-13,380.54

Finding the Fourth Proportional to 19,636.16, 29,453.42 and 13,380.54

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Solution

The fourth proportional to 19,636.16, 29,453.42 and 13,380.54 is: 20,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.16 : 29,453.42 = 13,380.54 : x
  2. Step 2: Convert to fraction form
    19,636.16/29,453.42 = 13,380.54/x
  3. Step 3: Cross multiply
    19,636.16x = 29,453.42 × 13,380.54
  4. Step 4: Simplify right side
    19,636.16x = 394,102,664.45
  5. Step 5: Solve for x
    x = 394,102,664.45/19,636.16
  6. Step 6: Final answer
    x = 20,070.25

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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.