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Finding the Fourth Proportional to 14,602.41, 20,152.91 and 8,940.97

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Solution

The fourth proportional to 14,602.41, 20,152.91 and 8,940.97 is: 12,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.41 : 20,152.91 = 8,940.97 : x
  2. Step 2: Convert to fraction form
    14,602.41/20,152.91 = 8,940.97/x
  3. Step 3: Cross multiply
    14,602.41x = 20,152.91 × 8,940.97
  4. Step 4: Simplify right side
    14,602.41x = 180,186,563.72
  5. Step 5: Solve for x
    x = 180,186,563.72/14,602.41
  6. Step 6: Final answer
    x = 12,339.51

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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.