Home / 16,208.22-22,385.97-10,821.28

Finding the Fourth Proportional to 16,208.22, 22,385.97 and 10,821.28

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Solution

The fourth proportional to 16,208.22, 22,385.97 and 10,821.28 is: 14,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208.22 : 22,385.97 = 10,821.28 : x
  2. Step 2: Convert to fraction form
    16,208.22/22,385.97 = 10,821.28/x
  3. Step 3: Cross multiply
    16,208.22x = 22,385.97 × 10,821.28
  4. Step 4: Simplify right side
    16,208.22x = 242,244,849.44
  5. Step 5: Solve for x
    x = 242,244,849.44/16,208.22
  6. Step 6: Final answer
    x = 14,945.80

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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.