Home / 20,568.97-28,385.27-11,616.58

Finding the Fourth Proportional to 20,568.97, 28,385.27 and 11,616.58

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Solution

The fourth proportional to 20,568.97, 28,385.27 and 11,616.58 is: 16,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.97 : 28,385.27 = 11,616.58 : x
  2. Step 2: Convert to fraction form
    20,568.97/28,385.27 = 11,616.58/x
  3. Step 3: Cross multiply
    20,568.97x = 28,385.27 × 11,616.58
  4. Step 4: Simplify right side
    20,568.97x = 329,739,759.78
  5. Step 5: Solve for x
    x = 329,739,759.78/20,568.97
  6. Step 6: Final answer
    x = 16,030.93

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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.