Home / 20,579.24-28,382.63-16,033.02

Finding the Fourth Proportional to 20,579.24, 28,382.63 and 16,033.02

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Solution

The fourth proportional to 20,579.24, 28,382.63 and 16,033.02 is: 22,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.24 : 28,382.63 = 16,033.02 : x
  2. Step 2: Convert to fraction form
    20,579.24/28,382.63 = 16,033.02/x
  3. Step 3: Cross multiply
    20,579.24x = 28,382.63 × 16,033.02
  4. Step 4: Simplify right side
    20,579.24x = 455,059,194.28
  5. Step 5: Solve for x
    x = 455,059,194.28/20,579.24
  6. Step 6: Final answer
    x = 22,112.54

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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.