Home / 16,533.10-22,815.84-8,979.58

Finding the Fourth Proportional to 16,533.10, 22,815.84 and 8,979.58

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Solution

The fourth proportional to 16,533.10, 22,815.84 and 8,979.58 is: 12,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533.10 : 22,815.84 = 8,979.58 : x
  2. Step 2: Convert to fraction form
    16,533.10/22,815.84 = 8,979.58/x
  3. Step 3: Cross multiply
    16,533.10x = 22,815.84 × 8,979.58
  4. Step 4: Simplify right side
    16,533.10x = 204,876,556.52
  5. Step 5: Solve for x
    x = 204,876,556.52/16,533.10
  6. Step 6: Final answer
    x = 12,391.90

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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.