Home / 19,396.46-26,770.16-11,439.56

Finding the Fourth Proportional to 19,396.46, 26,770.16 and 11,439.56

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Solution

The fourth proportional to 19,396.46, 26,770.16 and 11,439.56 is: 15,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.46 : 26,770.16 = 11,439.56 : x
  2. Step 2: Convert to fraction form
    19,396.46/26,770.16 = 11,439.56/x
  3. Step 3: Cross multiply
    19,396.46x = 26,770.16 × 11,439.56
  4. Step 4: Simplify right side
    19,396.46x = 306,238,851.53
  5. Step 5: Solve for x
    x = 306,238,851.53/19,396.46
  6. Step 6: Final answer
    x = 15,788.39

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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.