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Finding the Fourth Proportional to 18,197.41, 25,112.13 and 10,239.63

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Solution

The fourth proportional to 18,197.41, 25,112.13 and 10,239.63 is: 14,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.41 : 25,112.13 = 10,239.63 : x
  2. Step 2: Convert to fraction form
    18,197.41/25,112.13 = 10,239.63/x
  3. Step 3: Cross multiply
    18,197.41x = 25,112.13 × 10,239.63
  4. Step 4: Simplify right side
    18,197.41x = 257,138,868.51
  5. Step 5: Solve for x
    x = 257,138,868.51/18,197.41
  6. Step 6: Final answer
    x = 14,130.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.