Home / 20,794.97-28,700.39-16,352.46

Finding the Fourth Proportional to 20,794.97, 28,700.39 and 16,352.46

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Solution

The fourth proportional to 20,794.97, 28,700.39 and 16,352.46 is: 22,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.97 : 28,700.39 = 16,352.46 : x
  2. Step 2: Convert to fraction form
    20,794.97/28,700.39 = 16,352.46/x
  3. Step 3: Cross multiply
    20,794.97x = 28,700.39 × 16,352.46
  4. Step 4: Simplify right side
    20,794.97x = 469,322,020.34
  5. Step 5: Solve for x
    x = 469,322,020.34/20,794.97
  6. Step 6: Final answer
    x = 22,569.01

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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.