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Finding the Fourth Proportional to 14,561.73, 20,095.16 and 8,274.11

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Solution

The fourth proportional to 14,561.73, 20,095.16 and 8,274.11 is: 11,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.73 : 20,095.16 = 8,274.11 : x
  2. Step 2: Convert to fraction form
    14,561.73/20,095.16 = 8,274.11/x
  3. Step 3: Cross multiply
    14,561.73x = 20,095.16 × 8,274.11
  4. Step 4: Simplify right side
    14,561.73x = 166,269,422.46
  5. Step 5: Solve for x
    x = 166,269,422.46/14,561.73
  6. Step 6: Final answer
    x = 11,418.25

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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.