Home / 21,645.63-29,884.75-17,676.23

Finding the Fourth Proportional to 21,645.63, 29,884.75 and 17,676.23

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Solution

The fourth proportional to 21,645.63, 29,884.75 and 17,676.23 is: 24,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.63 : 29,884.75 = 17,676.23 : x
  2. Step 2: Convert to fraction form
    21,645.63/29,884.75 = 17,676.23/x
  3. Step 3: Cross multiply
    21,645.63x = 29,884.75 × 17,676.23
  4. Step 4: Simplify right side
    21,645.63x = 528,249,520.88
  5. Step 5: Solve for x
    x = 528,249,520.88/21,645.63
  6. Step 6: Final answer
    x = 24,404.44

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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.