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Finding the Fourth Proportional to 14,951.93, 20,633.18 and 8,237.54

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Solution

The fourth proportional to 14,951.93, 20,633.18 and 8,237.54 is: 11,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.93 : 20,633.18 = 8,237.54 : x
  2. Step 2: Convert to fraction form
    14,951.93/20,633.18 = 8,237.54/x
  3. Step 3: Cross multiply
    14,951.93x = 20,633.18 × 8,237.54
  4. Step 4: Simplify right side
    14,951.93x = 169,966,501.22
  5. Step 5: Solve for x
    x = 169,966,501.22/14,951.93
  6. Step 6: Final answer
    x = 11,367.53

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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.