Home / 26,998.67-37,206.60-19,431.65

Finding the Fourth Proportional to 26,998.67, 37,206.60 and 19,431.65

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Solution

The fourth proportional to 26,998.67, 37,206.60 and 19,431.65 is: 26,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.67 : 37,206.60 = 19,431.65 : x
  2. Step 2: Convert to fraction form
    26,998.67/37,206.60 = 19,431.65/x
  3. Step 3: Cross multiply
    26,998.67x = 37,206.60 × 19,431.65
  4. Step 4: Simplify right side
    26,998.67x = 722,985,628.89
  5. Step 5: Solve for x
    x = 722,985,628.89/26,998.67
  6. Step 6: Final answer
    x = 26,778.56

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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.