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Finding the Fourth Proportional to 14,374.94, 19,837.09 and 8,325.41

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Solution

The fourth proportional to 14,374.94, 19,837.09 and 8,325.41 is: 11,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.94 : 19,837.09 = 8,325.41 : x
  2. Step 2: Convert to fraction form
    14,374.94/19,837.09 = 8,325.41/x
  3. Step 3: Cross multiply
    14,374.94x = 19,837.09 × 8,325.41
  4. Step 4: Simplify right side
    14,374.94x = 165,151,936.24
  5. Step 5: Solve for x
    x = 165,151,936.24/14,374.94
  6. Step 6: Final answer
    x = 11,488.88

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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.