Home / 19,394.07-26,770.61-11,435.79

Finding the Fourth Proportional to 19,394.07, 26,770.61 and 11,435.79

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Solution

The fourth proportional to 19,394.07, 26,770.61 and 11,435.79 is: 15,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.07 : 26,770.61 = 11,435.79 : x
  2. Step 2: Convert to fraction form
    19,394.07/26,770.61 = 11,435.79/x
  3. Step 3: Cross multiply
    19,394.07x = 26,770.61 × 11,435.79
  4. Step 4: Simplify right side
    19,394.07x = 306,143,016.95
  5. Step 5: Solve for x
    x = 306,143,016.95/19,394.07
  6. Step 6: Final answer
    x = 15,785.39

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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.