Home / 20,194.08-27,871.92-11,813.28

Finding the Fourth Proportional to 20,194.08, 27,871.92 and 11,813.28

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Solution

The fourth proportional to 20,194.08, 27,871.92 and 11,813.28 is: 16,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.08 : 27,871.92 = 11,813.28 : x
  2. Step 2: Convert to fraction form
    20,194.08/27,871.92 = 11,813.28/x
  3. Step 3: Cross multiply
    20,194.08x = 27,871.92 × 11,813.28
  4. Step 4: Simplify right side
    20,194.08x = 329,258,795.10
  5. Step 5: Solve for x
    x = 329,258,795.10/20,194.08
  6. Step 6: Final answer
    x = 16,304.72

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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.