Home / 18,583.09-27,874.53-4,543.19

Finding the Fourth Proportional to 18,583.09, 27,874.53 and 4,543.19

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Solution

The fourth proportional to 18,583.09, 27,874.53 and 4,543.19 is: 6,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.09 : 27,874.53 = 4,543.19 : x
  2. Step 2: Convert to fraction form
    18,583.09/27,874.53 = 4,543.19/x
  3. Step 3: Cross multiply
    18,583.09x = 27,874.53 × 4,543.19
  4. Step 4: Simplify right side
    18,583.09x = 126,639,285.95
  5. Step 5: Solve for x
    x = 126,639,285.95/18,583.09
  6. Step 6: Final answer
    x = 6,814.76

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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.