Home / 20,951.19-28,879.35-16,467.23

Finding the Fourth Proportional to 20,951.19, 28,879.35 and 16,467.23

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Solution

The fourth proportional to 20,951.19, 28,879.35 and 16,467.23 is: 22,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951.19 : 28,879.35 = 16,467.23 : x
  2. Step 2: Convert to fraction form
    20,951.19/28,879.35 = 16,467.23/x
  3. Step 3: Cross multiply
    20,951.19x = 28,879.35 × 16,467.23
  4. Step 4: Simplify right side
    20,951.19x = 475,562,754.30
  5. Step 5: Solve for x
    x = 475,562,754.30/20,951.19
  6. Step 6: Final answer
    x = 22,698.60

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Half scale
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Double scale
Find fourth proportional to 20,952.19, 28,880.73 and 16,468.23
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.