Home / 14,983.41-20,678.37-8,269.68

Finding the Fourth Proportional to 14,983.41, 20,678.37 and 8,269.68

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Solution

The fourth proportional to 14,983.41, 20,678.37 and 8,269.68 is: 11,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.41 : 20,678.37 = 8,269.68 : x
  2. Step 2: Convert to fraction form
    14,983.41/20,678.37 = 8,269.68/x
  3. Step 3: Cross multiply
    14,983.41x = 20,678.37 × 8,269.68
  4. Step 4: Simplify right side
    14,983.41x = 171,003,502.82
  5. Step 5: Solve for x
    x = 171,003,502.82/14,983.41
  6. Step 6: Final answer
    x = 11,412.86

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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.