Home / 20,584.82-28,392.75-16,329.92

Finding the Fourth Proportional to 20,584.82, 28,392.75 and 16,329.92

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Solution

The fourth proportional to 20,584.82, 28,392.75 and 16,329.92 is: 22,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.82 : 28,392.75 = 16,329.92 : x
  2. Step 2: Convert to fraction form
    20,584.82/28,392.75 = 16,329.92/x
  3. Step 3: Cross multiply
    20,584.82x = 28,392.75 × 16,329.92
  4. Step 4: Simplify right side
    20,584.82x = 463,651,194.12
  5. Step 5: Solve for x
    x = 463,651,194.12/20,584.82
  6. Step 6: Final answer
    x = 22,523.93

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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.