Home / 16,533.68-22,816.55-8,979.99

Finding the Fourth Proportional to 16,533.68, 22,816.55 and 8,979.99

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Solution

The fourth proportional to 16,533.68, 22,816.55 and 8,979.99 is: 12,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533.68 : 22,816.55 = 8,979.99 : x
  2. Step 2: Convert to fraction form
    16,533.68/22,816.55 = 8,979.99/x
  3. Step 3: Cross multiply
    16,533.68x = 22,816.55 × 8,979.99
  4. Step 4: Simplify right side
    16,533.68x = 204,892,345.93
  5. Step 5: Solve for x
    x = 204,892,345.93/16,533.68
  6. Step 6: Final answer
    x = 12,392.43

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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.