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Finding the Fourth Proportional to 14,951.93, 20,632.93 and 8,237.39

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Solution

The fourth proportional to 14,951.93, 20,632.93 and 8,237.39 is: 11,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.93 : 20,632.93 = 8,237.39 : x
  2. Step 2: Convert to fraction form
    14,951.93/20,632.93 = 8,237.39/x
  3. Step 3: Cross multiply
    14,951.93x = 20,632.93 × 8,237.39
  4. Step 4: Simplify right side
    14,951.93x = 169,961,367.49
  5. Step 5: Solve for x
    x = 169,961,367.49/14,951.93
  6. Step 6: Final answer
    x = 11,367.18

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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.