Home / 19,040.54-26,285.89-11,872.62

Finding the Fourth Proportional to 19,040.54, 26,285.89 and 11,872.62

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Solution

The fourth proportional to 19,040.54, 26,285.89 and 11,872.62 is: 16,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.54 : 26,285.89 = 11,872.62 : x
  2. Step 2: Convert to fraction form
    19,040.54/26,285.89 = 11,872.62/x
  3. Step 3: Cross multiply
    19,040.54x = 26,285.89 × 11,872.62
  4. Step 4: Simplify right side
    19,040.54x = 312,082,383.33
  5. Step 5: Solve for x
    x = 312,082,383.33/19,040.54
  6. Step 6: Final answer
    x = 16,390.42

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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.