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Finding the Fourth Proportional to 18,102.63, 24,982.67 and 10,147.45

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Solution

The fourth proportional to 18,102.63, 24,982.67 and 10,147.45 is: 14,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.63 : 24,982.67 = 10,147.45 : x
  2. Step 2: Convert to fraction form
    18,102.63/24,982.67 = 10,147.45/x
  3. Step 3: Cross multiply
    18,102.63x = 24,982.67 × 10,147.45
  4. Step 4: Simplify right side
    18,102.63x = 253,510,343.95
  5. Step 5: Solve for x
    x = 253,510,343.95/18,102.63
  6. Step 6: Final answer
    x = 14,004.06

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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.