Home / 13,826.82-19,074.94-9,348.95

Finding the Fourth Proportional to 13,826.82, 19,074.94 and 9,348.95

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Solution

The fourth proportional to 13,826.82, 19,074.94 and 9,348.95 is: 12,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.82 : 19,074.94 = 9,348.95 : x
  2. Step 2: Convert to fraction form
    13,826.82/19,074.94 = 9,348.95/x
  3. Step 3: Cross multiply
    13,826.82x = 19,074.94 × 9,348.95
  4. Step 4: Simplify right side
    13,826.82x = 178,330,660.31
  5. Step 5: Solve for x
    x = 178,330,660.31/13,826.82
  6. Step 6: Final answer
    x = 12,897.45

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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.