Home / 16,533.16-22,816-8,979.52

Finding the Fourth Proportional to 16,533.16, 22,816 and 8,979.52

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Solution

The fourth proportional to 16,533.16, 22,816 and 8,979.52 is: 12,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533.16 : 22,816 = 8,979.52 : x
  2. Step 2: Convert to fraction form
    16,533.16/22,816 = 8,979.52/x
  3. Step 3: Cross multiply
    16,533.16x = 22,816 × 8,979.52
  4. Step 4: Simplify right side
    16,533.16x = 204,876,728.32
  5. Step 5: Solve for x
    x = 204,876,728.32/16,533.16
  6. Step 6: Final answer
    x = 12,391.87

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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.