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Finding the Fourth Proportional to 25,364, 35,002.36 and 14,186

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Solution

The fourth proportional to 25,364, 35,002.36 and 14,186 is: 19,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364 : 35,002.36 = 14,186 : x
  2. Step 2: Convert to fraction form
    25,364/35,002.36 = 14,186/x
  3. Step 3: Cross multiply
    25,364x = 35,002.36 × 14,186
  4. Step 4: Simplify right side
    25,364x = 496,543,478.96
  5. Step 5: Solve for x
    x = 496,543,478.96/25,364
  6. Step 6: Final answer
    x = 19,576.70

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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.