Home / 14,634.67-20,190.87-8,260.51

Finding the Fourth Proportional to 14,634.67, 20,190.87 and 8,260.51

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Solution

The fourth proportional to 14,634.67, 20,190.87 and 8,260.51 is: 11,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.67 : 20,190.87 = 8,260.51 : x
  2. Step 2: Convert to fraction form
    14,634.67/20,190.87 = 8,260.51/x
  3. Step 3: Cross multiply
    14,634.67x = 20,190.87 × 8,260.51
  4. Step 4: Simplify right side
    14,634.67x = 166,786,883.54
  5. Step 5: Solve for x
    x = 166,786,883.54/14,634.67
  6. Step 6: Final answer
    x = 11,396.70

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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.