Home / 13,902.32-19,185.03-7,933.97

Finding the Fourth Proportional to 13,902.32, 19,185.03 and 7,933.97

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Solution

The fourth proportional to 13,902.32, 19,185.03 and 7,933.97 is: 10,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.32 : 19,185.03 = 7,933.97 : x
  2. Step 2: Convert to fraction form
    13,902.32/19,185.03 = 7,933.97/x
  3. Step 3: Cross multiply
    13,902.32x = 19,185.03 × 7,933.97
  4. Step 4: Simplify right side
    13,902.32x = 152,213,356.54
  5. Step 5: Solve for x
    x = 152,213,356.54/13,902.32
  6. Step 6: Final answer
    x = 10,948.78

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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.