Home / 22,305.07-30,781.43-12,232.92

Finding the Fourth Proportional to 22,305.07, 30,781.43 and 12,232.92

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Solution

The fourth proportional to 22,305.07, 30,781.43 and 12,232.92 is: 16,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.07 : 30,781.43 = 12,232.92 : x
  2. Step 2: Convert to fraction form
    22,305.07/30,781.43 = 12,232.92/x
  3. Step 3: Cross multiply
    22,305.07x = 30,781.43 × 12,232.92
  4. Step 4: Simplify right side
    22,305.07x = 376,546,770.68
  5. Step 5: Solve for x
    x = 376,546,770.68/22,305.07
  6. Step 6: Final answer
    x = 16,881.67

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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.