Home / 20,179.01-27,847.93-16,816.19

Finding the Fourth Proportional to 20,179.01, 27,847.93 and 16,816.19

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Solution

The fourth proportional to 20,179.01, 27,847.93 and 16,816.19 is: 23,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.01 : 27,847.93 = 16,816.19 : x
  2. Step 2: Convert to fraction form
    20,179.01/27,847.93 = 16,816.19/x
  3. Step 3: Cross multiply
    20,179.01x = 27,847.93 × 16,816.19
  4. Step 4: Simplify right side
    20,179.01x = 468,296,081.99
  5. Step 5: Solve for x
    x = 468,296,081.99/20,179.01
  6. Step 6: Final answer
    x = 23,207.09

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Half scale
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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.