Home / 22,271.57-30,733.45-12,198

Finding the Fourth Proportional to 22,271.57, 30,733.45 and 12,198

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Solution

The fourth proportional to 22,271.57, 30,733.45 and 12,198 is: 16,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.57 : 30,733.45 = 12,198 : x
  2. Step 2: Convert to fraction form
    22,271.57/30,733.45 = 12,198/x
  3. Step 3: Cross multiply
    22,271.57x = 30,733.45 × 12,198
  4. Step 4: Simplify right side
    22,271.57x = 374,886,592.61
  5. Step 5: Solve for x
    x = 374,886,592.61/22,271.57
  6. Step 6: Final answer
    x = 16,832.52

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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.