Home / 13,979.94-19,298.37-9,994.14

Finding the Fourth Proportional to 13,979.94, 19,298.37 and 9,994.14

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Solution

The fourth proportional to 13,979.94, 19,298.37 and 9,994.14 is: 13,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.94 : 19,298.37 = 9,994.14 : x
  2. Step 2: Convert to fraction form
    13,979.94/19,298.37 = 9,994.14/x
  3. Step 3: Cross multiply
    13,979.94x = 19,298.37 × 9,994.14
  4. Step 4: Simplify right side
    13,979.94x = 192,870,611.55
  5. Step 5: Solve for x
    x = 192,870,611.55/13,979.94
  6. Step 6: Final answer
    x = 13,796.24

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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.