Home / 20,194.77-27,864.71-12,232.37

Finding the Fourth Proportional to 20,194.77, 27,864.71 and 12,232.37

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Solution

The fourth proportional to 20,194.77, 27,864.71 and 12,232.37 is: 16,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.77 : 27,864.71 = 12,232.37 : x
  2. Step 2: Convert to fraction form
    20,194.77/27,864.71 = 12,232.37/x
  3. Step 3: Cross multiply
    20,194.77x = 27,864.71 × 12,232.37
  4. Step 4: Simplify right side
    20,194.77x = 340,851,340.30
  5. Step 5: Solve for x
    x = 340,851,340.30/20,194.77
  6. Step 6: Final answer
    x = 16,878.20

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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.