Home / 22,208.88-30,648.68-12,137.04

Finding the Fourth Proportional to 22,208.88, 30,648.68 and 12,137.04

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Solution

The fourth proportional to 22,208.88, 30,648.68 and 12,137.04 is: 16,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.88 : 30,648.68 = 12,137.04 : x
  2. Step 2: Convert to fraction form
    22,208.88/30,648.68 = 12,137.04/x
  3. Step 3: Cross multiply
    22,208.88x = 30,648.68 × 12,137.04
  4. Step 4: Simplify right side
    22,208.88x = 371,984,239.94
  5. Step 5: Solve for x
    x = 371,984,239.94/22,208.88
  6. Step 6: Final answer
    x = 16,749.34

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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.