Home / 16,568.78-22,873.39-12,783.44

Finding the Fourth Proportional to 16,568.78, 22,873.39 and 12,783.44

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Solution

The fourth proportional to 16,568.78, 22,873.39 and 12,783.44 is: 17,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,568.78 : 22,873.39 = 12,783.44 : x
  2. Step 2: Convert to fraction form
    16,568.78/22,873.39 = 12,783.44/x
  3. Step 3: Cross multiply
    16,568.78x = 22,873.39 × 12,783.44
  4. Step 4: Simplify right side
    16,568.78x = 292,400,608.66
  5. Step 5: Solve for x
    x = 292,400,608.66/16,568.78
  6. Step 6: Final answer
    x = 17,647.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.