Home / 19,396.73-26,770.38-11,847.40

Finding the Fourth Proportional to 19,396.73, 26,770.38 and 11,847.40

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Solution

The fourth proportional to 19,396.73, 26,770.38 and 11,847.40 is: 16,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.73 : 26,770.38 = 11,847.40 : x
  2. Step 2: Convert to fraction form
    19,396.73/26,770.38 = 11,847.40/x
  3. Step 3: Cross multiply
    19,396.73x = 26,770.38 × 11,847.40
  4. Step 4: Simplify right side
    19,396.73x = 317,159,443.25
  5. Step 5: Solve for x
    x = 317,159,443.25/19,396.73
  6. Step 6: Final answer
    x = 16,351.18

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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.