Home / 21,467.63-29,636.46-16,676.84

Finding the Fourth Proportional to 21,467.63, 29,636.46 and 16,676.84

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Solution

The fourth proportional to 21,467.63, 29,636.46 and 16,676.84 is: 23,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.63 : 29,636.46 = 16,676.84 : x
  2. Step 2: Convert to fraction form
    21,467.63/29,636.46 = 16,676.84/x
  3. Step 3: Cross multiply
    21,467.63x = 29,636.46 × 16,676.84
  4. Step 4: Simplify right side
    21,467.63x = 494,242,575.68
  5. Step 5: Solve for x
    x = 494,242,575.68/21,467.63
  6. Step 6: Final answer
    x = 23,022.69

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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.