Home / 19,388.97-29,083.46-5,349.11

Finding the Fourth Proportional to 19,388.97, 29,083.46 and 5,349.11

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Solution

The fourth proportional to 19,388.97, 29,083.46 and 5,349.11 is: 8,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.97 : 29,083.46 = 5,349.11 : x
  2. Step 2: Convert to fraction form
    19,388.97/29,083.46 = 5,349.11/x
  3. Step 3: Cross multiply
    19,388.97x = 29,083.46 × 5,349.11
  4. Step 4: Simplify right side
    19,388.97x = 155,570,454.56
  5. Step 5: Solve for x
    x = 155,570,454.56/19,388.97
  6. Step 6: Final answer
    x = 8,023.66

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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.