Home / 19,057.30-28,587.03-5,911.54

Finding the Fourth Proportional to 19,057.30, 28,587.03 and 5,911.54

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Solution

The fourth proportional to 19,057.30, 28,587.03 and 5,911.54 is: 8,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.30 : 28,587.03 = 5,911.54 : x
  2. Step 2: Convert to fraction form
    19,057.30/28,587.03 = 5,911.54/x
  3. Step 3: Cross multiply
    19,057.30x = 28,587.03 × 5,911.54
  4. Step 4: Simplify right side
    19,057.30x = 168,993,371.33
  5. Step 5: Solve for x
    x = 168,993,371.33/19,057.30
  6. Step 6: Final answer
    x = 8,867.65

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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.