Home / 19,410.56-26,787.54-11,855.67

Finding the Fourth Proportional to 19,410.56, 26,787.54 and 11,855.67

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Solution

The fourth proportional to 19,410.56, 26,787.54 and 11,855.67 is: 16,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.56 : 26,787.54 = 11,855.67 : x
  2. Step 2: Convert to fraction form
    19,410.56/26,787.54 = 11,855.67/x
  3. Step 3: Cross multiply
    19,410.56x = 26,787.54 × 11,855.67
  4. Step 4: Simplify right side
    19,410.56x = 317,584,234.35
  5. Step 5: Solve for x
    x = 317,584,234.35/19,410.56
  6. Step 6: Final answer
    x = 16,361.42

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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.