Home / 20,213.19-27,894.23-11,716.95

Finding the Fourth Proportional to 20,213.19, 27,894.23 and 11,716.95

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Solution

The fourth proportional to 20,213.19, 27,894.23 and 11,716.95 is: 16,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.19 : 27,894.23 = 11,716.95 : x
  2. Step 2: Convert to fraction form
    20,213.19/27,894.23 = 11,716.95/x
  3. Step 3: Cross multiply
    20,213.19x = 27,894.23 × 11,716.95
  4. Step 4: Simplify right side
    20,213.19x = 326,835,239.61
  5. Step 5: Solve for x
    x = 326,835,239.61/20,213.19
  6. Step 6: Final answer
    x = 16,169.40

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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.