Home / 13,976.08-19,286.68-8,011.26

Finding the Fourth Proportional to 13,976.08, 19,286.68 and 8,011.26

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Solution

The fourth proportional to 13,976.08, 19,286.68 and 8,011.26 is: 11,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.08 : 19,286.68 = 8,011.26 : x
  2. Step 2: Convert to fraction form
    13,976.08/19,286.68 = 8,011.26/x
  3. Step 3: Cross multiply
    13,976.08x = 19,286.68 × 8,011.26
  4. Step 4: Simplify right side
    13,976.08x = 154,510,608.02
  5. Step 5: Solve for x
    x = 154,510,608.02/13,976.08
  6. Step 6: Final answer
    x = 11,055.36

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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.