Home / 20,011.08-27,618.72-11,632.44

Finding the Fourth Proportional to 20,011.08, 27,618.72 and 11,632.44

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Solution

The fourth proportional to 20,011.08, 27,618.72 and 11,632.44 is: 16,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.08 : 27,618.72 = 11,632.44 : x
  2. Step 2: Convert to fraction form
    20,011.08/27,618.72 = 11,632.44/x
  3. Step 3: Cross multiply
    20,011.08x = 27,618.72 × 11,632.44
  4. Step 4: Simplify right side
    20,011.08x = 321,273,103.28
  5. Step 5: Solve for x
    x = 321,273,103.28/20,011.08
  6. Step 6: Final answer
    x = 16,054.76

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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.