Home / 20,176.36-27,845.22-11,794.12

Finding the Fourth Proportional to 20,176.36, 27,845.22 and 11,794.12

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Solution

The fourth proportional to 20,176.36, 27,845.22 and 11,794.12 is: 16,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.36 : 27,845.22 = 11,794.12 : x
  2. Step 2: Convert to fraction form
    20,176.36/27,845.22 = 11,794.12/x
  3. Step 3: Cross multiply
    20,176.36x = 27,845.22 × 11,794.12
  4. Step 4: Simplify right side
    20,176.36x = 328,409,866.11
  5. Step 5: Solve for x
    x = 328,409,866.11/20,176.36
  6. Step 6: Final answer
    x = 16,276.96

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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.