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Finding the Fourth Proportional to 18,698, 25,803.32 and 10,314.32

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Solution

The fourth proportional to 18,698, 25,803.32 and 10,314.32 is: 14,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698 : 25,803.32 = 10,314.32 : x
  2. Step 2: Convert to fraction form
    18,698/25,803.32 = 10,314.32/x
  3. Step 3: Cross multiply
    18,698x = 25,803.32 × 10,314.32
  4. Step 4: Simplify right side
    18,698x = 266,143,699.54
  5. Step 5: Solve for x
    x = 266,143,699.54/18,698
  6. Step 6: Final answer
    x = 14,233.81

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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.