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Finding the Fourth Proportional to 18,841.63, 26,002.74 and 10,884.46

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Solution

The fourth proportional to 18,841.63, 26,002.74 and 10,884.46 is: 15,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.63 : 26,002.74 = 10,884.46 : x
  2. Step 2: Convert to fraction form
    18,841.63/26,002.74 = 10,884.46/x
  3. Step 3: Cross multiply
    18,841.63x = 26,002.74 × 10,884.46
  4. Step 4: Simplify right side
    18,841.63x = 283,025,783.42
  5. Step 5: Solve for x
    x = 283,025,783.42/18,841.63
  6. Step 6: Final answer
    x = 15,021.30

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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.