Home / 26,940.78-37,195.30-19,854.86

Finding the Fourth Proportional to 26,940.78, 37,195.30 and 19,854.86

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Solution

The fourth proportional to 26,940.78, 37,195.30 and 19,854.86 is: 27,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.78 : 37,195.30 = 19,854.86 : x
  2. Step 2: Convert to fraction form
    26,940.78/37,195.30 = 19,854.86/x
  3. Step 3: Cross multiply
    26,940.78x = 37,195.30 × 19,854.86
  4. Step 4: Simplify right side
    26,940.78x = 738,507,374.88
  5. Step 5: Solve for x
    x = 738,507,374.88/26,940.78
  6. Step 6: Final answer
    x = 27,412.25

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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.