Home / 16,533.23-22,815.90-8,979.68

Finding the Fourth Proportional to 16,533.23, 22,815.90 and 8,979.68

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Solution

The fourth proportional to 16,533.23, 22,815.90 and 8,979.68 is: 12,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533.23 : 22,815.90 = 8,979.68 : x
  2. Step 2: Convert to fraction form
    16,533.23/22,815.90 = 8,979.68/x
  3. Step 3: Cross multiply
    16,533.23x = 22,815.90 × 8,979.68
  4. Step 4: Simplify right side
    16,533.23x = 204,879,537.95
  5. Step 5: Solve for x
    x = 204,879,537.95/16,533.23
  6. Step 6: Final answer
    x = 12,391.99

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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.