Home / 16,216.80-22,365.44-11,189.04

Finding the Fourth Proportional to 16,216.80, 22,365.44 and 11,189.04

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Solution

The fourth proportional to 16,216.80, 22,365.44 and 11,189.04 is: 15,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.80 : 22,365.44 = 11,189.04 : x
  2. Step 2: Convert to fraction form
    16,216.80/22,365.44 = 11,189.04/x
  3. Step 3: Cross multiply
    16,216.80x = 22,365.44 × 11,189.04
  4. Step 4: Simplify right side
    16,216.80x = 250,247,802.78
  5. Step 5: Solve for x
    x = 250,247,802.78/16,216.80
  6. Step 6: Final answer
    x = 15,431.39

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Half scale
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Double scale
Find fourth proportional to 16,217.80, 22,366.82 and 11,190.04
Similar ratio
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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.