Home / 13,961.56-19,267.88-7,994.04

Finding the Fourth Proportional to 13,961.56, 19,267.88 and 7,994.04

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Solution

The fourth proportional to 13,961.56, 19,267.88 and 7,994.04 is: 11,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.56 : 19,267.88 = 7,994.04 : x
  2. Step 2: Convert to fraction form
    13,961.56/19,267.88 = 7,994.04/x
  3. Step 3: Cross multiply
    13,961.56x = 19,267.88 × 7,994.04
  4. Step 4: Simplify right side
    13,961.56x = 154,028,203.44
  5. Step 5: Solve for x
    x = 154,028,203.44/13,961.56
  6. Step 6: Final answer
    x = 11,032.31

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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.