Home / 22,201.17-30,635.87-12,770.34

Finding the Fourth Proportional to 22,201.17, 30,635.87 and 12,770.34

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Solution

The fourth proportional to 22,201.17, 30,635.87 and 12,770.34 is: 17,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.17 : 30,635.87 = 12,770.34 : x
  2. Step 2: Convert to fraction form
    22,201.17/30,635.87 = 12,770.34/x
  3. Step 3: Cross multiply
    22,201.17x = 30,635.87 × 12,770.34
  4. Step 4: Simplify right side
    22,201.17x = 391,230,412.24
  5. Step 5: Solve for x
    x = 391,230,412.24/22,201.17
  6. Step 6: Final answer
    x = 17,622.06

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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.