Home / 19,179.94-28,731.42-15,237.67

Finding the Fourth Proportional to 19,179.94, 28,731.42 and 15,237.67

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Solution

The fourth proportional to 19,179.94, 28,731.42 and 15,237.67 is: 22,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.94 : 28,731.42 = 15,237.67 : x
  2. Step 2: Convert to fraction form
    19,179.94/28,731.42 = 15,237.67/x
  3. Step 3: Cross multiply
    19,179.94x = 28,731.42 × 15,237.67
  4. Step 4: Simplify right side
    19,179.94x = 437,799,896.59
  5. Step 5: Solve for x
    x = 437,799,896.59/19,179.94
  6. Step 6: Final answer
    x = 22,825.93

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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.