Home / 22,994.78-34,324.32-19,728.86

Finding the Fourth Proportional to 22,994.78, 34,324.32 and 19,728.86

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Solution

The fourth proportional to 22,994.78, 34,324.32 and 19,728.86 is: 29,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,994.78 : 34,324.32 = 19,728.86 : x
  2. Step 2: Convert to fraction form
    22,994.78/34,324.32 = 19,728.86/x
  3. Step 3: Cross multiply
    22,994.78x = 34,324.32 × 19,728.86
  4. Step 4: Simplify right side
    22,994.78x = 677,179,532.25
  5. Step 5: Solve for x
    x = 677,179,532.25/22,994.78
  6. Step 6: Final answer
    x = 29,449.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.