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Finding the Fourth Proportional to 14,178.44, 19,564.97 and 8,210.51

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Solution

The fourth proportional to 14,178.44, 19,564.97 and 8,210.51 is: 11,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.44 : 19,564.97 = 8,210.51 : x
  2. Step 2: Convert to fraction form
    14,178.44/19,564.97 = 8,210.51/x
  3. Step 3: Cross multiply
    14,178.44x = 19,564.97 × 8,210.51
  4. Step 4: Simplify right side
    14,178.44x = 160,638,340.78
  5. Step 5: Solve for x
    x = 160,638,340.78/14,178.44
  6. Step 6: Final answer
    x = 11,329.76

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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.