Home / 22,270.68-30,733.80-12,199.56

Finding the Fourth Proportional to 22,270.68, 30,733.80 and 12,199.56

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Solution

The fourth proportional to 22,270.68, 30,733.80 and 12,199.56 is: 16,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.68 : 30,733.80 = 12,199.56 : x
  2. Step 2: Convert to fraction form
    22,270.68/30,733.80 = 12,199.56/x
  3. Step 3: Cross multiply
    22,270.68x = 30,733.80 × 12,199.56
  4. Step 4: Simplify right side
    22,270.68x = 374,938,837.13
  5. Step 5: Solve for x
    x = 374,938,837.13/22,270.68
  6. Step 6: Final answer
    x = 16,835.54

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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.