Home / 16,279.68-22,468.80-9,208.32

Finding the Fourth Proportional to 16,279.68, 22,468.80 and 9,208.32

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Solution

The fourth proportional to 16,279.68, 22,468.80 and 9,208.32 is: 12,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.68 : 22,468.80 = 9,208.32 : x
  2. Step 2: Convert to fraction form
    16,279.68/22,468.80 = 9,208.32/x
  3. Step 3: Cross multiply
    16,279.68x = 22,468.80 × 9,208.32
  4. Step 4: Simplify right side
    16,279.68x = 206,899,900.42
  5. Step 5: Solve for x
    x = 206,899,900.42/16,279.68
  6. Step 6: Final answer
    x = 12,709.09

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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.