Home / 20,196.48-27,874.48-11,811.36

Finding the Fourth Proportional to 20,196.48, 27,874.48 and 11,811.36

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Solution

The fourth proportional to 20,196.48, 27,874.48 and 11,811.36 is: 16,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.48 : 27,874.48 = 11,811.36 : x
  2. Step 2: Convert to fraction form
    20,196.48/27,874.48 = 11,811.36/x
  3. Step 3: Cross multiply
    20,196.48x = 27,874.48 × 11,811.36
  4. Step 4: Simplify right side
    20,196.48x = 329,235,518.09
  5. Step 5: Solve for x
    x = 329,235,518.09/20,196.48
  6. Step 6: Final answer
    x = 16,301.63

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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.