Home / 19,310.36-26,650.54-11,761.12

Finding the Fourth Proportional to 19,310.36, 26,650.54 and 11,761.12

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Solution

The fourth proportional to 19,310.36, 26,650.54 and 11,761.12 is: 16,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.36 : 26,650.54 = 11,761.12 : x
  2. Step 2: Convert to fraction form
    19,310.36/26,650.54 = 11,761.12/x
  3. Step 3: Cross multiply
    19,310.36x = 26,650.54 × 11,761.12
  4. Step 4: Simplify right side
    19,310.36x = 313,440,199.00
  5. Step 5: Solve for x
    x = 313,440,199.00/19,310.36
  6. Step 6: Final answer
    x = 16,231.71

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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.