Home / 18,051.28-27,057.48-8,677.96

Finding the Fourth Proportional to 18,051.28, 27,057.48 and 8,677.96

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Solution

The fourth proportional to 18,051.28, 27,057.48 and 8,677.96 is: 13,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.28 : 27,057.48 = 8,677.96 : x
  2. Step 2: Convert to fraction form
    18,051.28/27,057.48 = 8,677.96/x
  3. Step 3: Cross multiply
    18,051.28x = 27,057.48 × 8,677.96
  4. Step 4: Simplify right side
    18,051.28x = 234,803,729.14
  5. Step 5: Solve for x
    x = 234,803,729.14/18,051.28
  6. Step 6: Final answer
    x = 13,007.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.