Home / 19,039.89-28,561.17-5,890.53

Finding the Fourth Proportional to 19,039.89, 28,561.17 and 5,890.53

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Solution

The fourth proportional to 19,039.89, 28,561.17 and 5,890.53 is: 8,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.89 : 28,561.17 = 5,890.53 : x
  2. Step 2: Convert to fraction form
    19,039.89/28,561.17 = 5,890.53/x
  3. Step 3: Cross multiply
    19,039.89x = 28,561.17 × 5,890.53
  4. Step 4: Simplify right side
    19,039.89x = 168,240,428.72
  5. Step 5: Solve for x
    x = 168,240,428.72/19,039.89
  6. Step 6: Final answer
    x = 8,836.21

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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.