Home / 16,486.80-22,728.36-10,195.60

Finding the Fourth Proportional to 16,486.80, 22,728.36 and 10,195.60

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Solution

The fourth proportional to 16,486.80, 22,728.36 and 10,195.60 is: 14,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.80 : 22,728.36 = 10,195.60 : x
  2. Step 2: Convert to fraction form
    16,486.80/22,728.36 = 10,195.60/x
  3. Step 3: Cross multiply
    16,486.80x = 22,728.36 × 10,195.60
  4. Step 4: Simplify right side
    16,486.80x = 231,729,267.22
  5. Step 5: Solve for x
    x = 231,729,267.22/16,486.80
  6. Step 6: Final answer
    x = 14,055.44

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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.