Home / 19,905.85-27,466.94-11,406.34

Finding the Fourth Proportional to 19,905.85, 27,466.94 and 11,406.34

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Solution

The fourth proportional to 19,905.85, 27,466.94 and 11,406.34 is: 15,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.85 : 27,466.94 = 11,406.34 : x
  2. Step 2: Convert to fraction form
    19,905.85/27,466.94 = 11,406.34/x
  3. Step 3: Cross multiply
    19,905.85x = 27,466.94 × 11,406.34
  4. Step 4: Simplify right side
    19,905.85x = 313,297,199.37
  5. Step 5: Solve for x
    x = 313,297,199.37/19,905.85
  6. Step 6: Final answer
    x = 15,738.95

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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.