Home / 22,201.67-30,636.56-12,770.84

Finding the Fourth Proportional to 22,201.67, 30,636.56 and 12,770.84

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Solution

The fourth proportional to 22,201.67, 30,636.56 and 12,770.84 is: 17,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.67 : 30,636.56 = 12,770.84 : x
  2. Step 2: Convert to fraction form
    22,201.67/30,636.56 = 12,770.84/x
  3. Step 3: Cross multiply
    22,201.67x = 30,636.56 × 12,770.84
  4. Step 4: Simplify right side
    22,201.67x = 391,254,542.06
  5. Step 5: Solve for x
    x = 391,254,542.06/22,201.67
  6. Step 6: Final answer
    x = 17,622.75

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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.