Home / 13,954.12-19,261.74-9,239.92

Finding the Fourth Proportional to 13,954.12, 19,261.74 and 9,239.92

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Solution

The fourth proportional to 13,954.12, 19,261.74 and 9,239.92 is: 12,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.12 : 19,261.74 = 9,239.92 : x
  2. Step 2: Convert to fraction form
    13,954.12/19,261.74 = 9,239.92/x
  3. Step 3: Cross multiply
    13,954.12x = 19,261.74 × 9,239.92
  4. Step 4: Simplify right side
    13,954.12x = 177,976,936.66
  5. Step 5: Solve for x
    x = 177,976,936.66/13,954.12
  6. Step 6: Final answer
    x = 12,754.44

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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.