Home / 19,039.88-28,561.19-5,890.56

Finding the Fourth Proportional to 19,039.88, 28,561.19 and 5,890.56

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Solution

The fourth proportional to 19,039.88, 28,561.19 and 5,890.56 is: 8,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.88 : 28,561.19 = 5,890.56 : x
  2. Step 2: Convert to fraction form
    19,039.88/28,561.19 = 5,890.56/x
  3. Step 3: Cross multiply
    19,039.88x = 28,561.19 × 5,890.56
  4. Step 4: Simplify right side
    19,039.88x = 168,241,373.91
  5. Step 5: Solve for x
    x = 168,241,373.91/19,039.88
  6. Step 6: Final answer
    x = 8,836.26

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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.