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Finding the Fourth Proportional to 14,033.86, 19,369.22 and 8,368.98

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Solution

The fourth proportional to 14,033.86, 19,369.22 and 8,368.98 is: 11,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.86 : 19,369.22 = 8,368.98 : x
  2. Step 2: Convert to fraction form
    14,033.86/19,369.22 = 8,368.98/x
  3. Step 3: Cross multiply
    14,033.86x = 19,369.22 × 8,368.98
  4. Step 4: Simplify right side
    14,033.86x = 162,100,614.80
  5. Step 5: Solve for x
    x = 162,100,614.80/14,033.86
  6. Step 6: Final answer
    x = 11,550.68

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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.