Home / 19,066.20-28,601.20-7,976.36

Finding the Fourth Proportional to 19,066.20, 28,601.20 and 7,976.36

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Solution

The fourth proportional to 19,066.20, 28,601.20 and 7,976.36 is: 11,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.20 : 28,601.20 = 7,976.36 : x
  2. Step 2: Convert to fraction form
    19,066.20/28,601.20 = 7,976.36/x
  3. Step 3: Cross multiply
    19,066.20x = 28,601.20 × 7,976.36
  4. Step 4: Simplify right side
    19,066.20x = 228,133,467.63
  5. Step 5: Solve for x
    x = 228,133,467.63/19,066.20
  6. Step 6: Final answer
    x = 11,965.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.