Home / 19,310.37-26,650.55-11,761.13

Finding the Fourth Proportional to 19,310.37, 26,650.55 and 11,761.13

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Solution

The fourth proportional to 19,310.37, 26,650.55 and 11,761.13 is: 16,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.37 : 26,650.55 = 11,761.13 : x
  2. Step 2: Convert to fraction form
    19,310.37/26,650.55 = 11,761.13/x
  3. Step 3: Cross multiply
    19,310.37x = 26,650.55 × 11,761.13
  4. Step 4: Simplify right side
    19,310.37x = 313,440,583.12
  5. Step 5: Solve for x
    x = 313,440,583.12/19,310.37
  6. Step 6: Final answer
    x = 16,231.72

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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.