Home / 19,086.06-28,633.65-7,986.54

Finding the Fourth Proportional to 19,086.06, 28,633.65 and 7,986.54

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Solution

The fourth proportional to 19,086.06, 28,633.65 and 7,986.54 is: 11,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.06 : 28,633.65 = 7,986.54 : x
  2. Step 2: Convert to fraction form
    19,086.06/28,633.65 = 7,986.54/x
  3. Step 3: Cross multiply
    19,086.06x = 28,633.65 × 7,986.54
  4. Step 4: Simplify right side
    19,086.06x = 228,683,791.07
  5. Step 5: Solve for x
    x = 228,683,791.07/19,086.06
  6. Step 6: Final answer
    x = 11,981.72

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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.