Home / 13,924.06-19,213.42-7,956.11

Finding the Fourth Proportional to 13,924.06, 19,213.42 and 7,956.11

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Solution

The fourth proportional to 13,924.06, 19,213.42 and 7,956.11 is: 10,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.06 : 19,213.42 = 7,956.11 : x
  2. Step 2: Convert to fraction form
    13,924.06/19,213.42 = 7,956.11/x
  3. Step 3: Cross multiply
    13,924.06x = 19,213.42 × 7,956.11
  4. Step 4: Simplify right side
    13,924.06x = 152,864,083.00
  5. Step 5: Solve for x
    x = 152,864,083.00/13,924.06
  6. Step 6: Final answer
    x = 10,978.42

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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.