Home / 19,050.12-28,558.62-7,371.54

Finding the Fourth Proportional to 19,050.12, 28,558.62 and 7,371.54

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Solution

The fourth proportional to 19,050.12, 28,558.62 and 7,371.54 is: 11,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.12 : 28,558.62 = 7,371.54 : x
  2. Step 2: Convert to fraction form
    19,050.12/28,558.62 = 7,371.54/x
  3. Step 3: Cross multiply
    19,050.12x = 28,558.62 × 7,371.54
  4. Step 4: Simplify right side
    19,050.12x = 210,521,009.67
  5. Step 5: Solve for x
    x = 210,521,009.67/19,050.12
  6. Step 6: Final answer
    x = 11,050.90

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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.