Home / 22,638.30-33,890.49-16,820.70

Finding the Fourth Proportional to 22,638.30, 33,890.49 and 16,820.70

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Solution

The fourth proportional to 22,638.30, 33,890.49 and 16,820.70 is: 25,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.30 : 33,890.49 = 16,820.70 : x
  2. Step 2: Convert to fraction form
    22,638.30/33,890.49 = 16,820.70/x
  3. Step 3: Cross multiply
    22,638.30x = 33,890.49 × 16,820.70
  4. Step 4: Simplify right side
    22,638.30x = 570,061,765.14
  5. Step 5: Solve for x
    x = 570,061,765.14/22,638.30
  6. Step 6: Final answer
    x = 25,181.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.