Home / 20,263.13-27,967.79-11,882.33

Finding the Fourth Proportional to 20,263.13, 27,967.79 and 11,882.33

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Solution

The fourth proportional to 20,263.13, 27,967.79 and 11,882.33 is: 16,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.13 : 27,967.79 = 11,882.33 : x
  2. Step 2: Convert to fraction form
    20,263.13/27,967.79 = 11,882.33/x
  3. Step 3: Cross multiply
    20,263.13x = 27,967.79 × 11,882.33
  4. Step 4: Simplify right side
    20,263.13x = 332,322,450.74
  5. Step 5: Solve for x
    x = 332,322,450.74/20,263.13
  6. Step 6: Final answer
    x = 16,400.35

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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.