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Finding the Fourth Proportional to 18,516.34, 25,552.44 and 10,018.44

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Solution

The fourth proportional to 18,516.34, 25,552.44 and 10,018.44 is: 13,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.34 : 25,552.44 = 10,018.44 : x
  2. Step 2: Convert to fraction form
    18,516.34/25,552.44 = 10,018.44/x
  3. Step 3: Cross multiply
    18,516.34x = 25,552.44 × 10,018.44
  4. Step 4: Simplify right side
    18,516.34x = 255,995,586.99
  5. Step 5: Solve for x
    x = 255,995,586.99/18,516.34
  6. Step 6: Final answer
    x = 13,825.39

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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.