Home / 18,544.35-27,808.21-11,051.45

Finding the Fourth Proportional to 18,544.35, 27,808.21 and 11,051.45

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Solution

The fourth proportional to 18,544.35, 27,808.21 and 11,051.45 is: 16,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.35 : 27,808.21 = 11,051.45 : x
  2. Step 2: Convert to fraction form
    18,544.35/27,808.21 = 11,051.45/x
  3. Step 3: Cross multiply
    18,544.35x = 27,808.21 × 11,051.45
  4. Step 4: Simplify right side
    18,544.35x = 307,321,042.40
  5. Step 5: Solve for x
    x = 307,321,042.40/18,544.35
  6. Step 6: Final answer
    x = 16,572.22

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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.