Home / 20,181.01-27,850.69-16,818.19

Finding the Fourth Proportional to 20,181.01, 27,850.69 and 16,818.19

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Solution

The fourth proportional to 20,181.01, 27,850.69 and 16,818.19 is: 23,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.01 : 27,850.69 = 16,818.19 : x
  2. Step 2: Convert to fraction form
    20,181.01/27,850.69 = 16,818.19/x
  3. Step 3: Cross multiply
    20,181.01x = 27,850.69 × 16,818.19
  4. Step 4: Simplify right side
    20,181.01x = 468,398,196.05
  5. Step 5: Solve for x
    x = 468,398,196.05/20,181.01
  6. Step 6: Final answer
    x = 23,209.85

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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.