Home / 19,826.51-27,365.78-11,874.95

Finding the Fourth Proportional to 19,826.51, 27,365.78 and 11,874.95

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Solution

The fourth proportional to 19,826.51, 27,365.78 and 11,874.95 is: 16,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.51 : 27,365.78 = 11,874.95 : x
  2. Step 2: Convert to fraction form
    19,826.51/27,365.78 = 11,874.95/x
  3. Step 3: Cross multiply
    19,826.51x = 27,365.78 × 11,874.95
  4. Step 4: Simplify right side
    19,826.51x = 324,967,162.07
  5. Step 5: Solve for x
    x = 324,967,162.07/19,826.51
  6. Step 6: Final answer
    x = 16,390.54

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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.