Home / 19,179.87-28,731.53-15,237.81

Finding the Fourth Proportional to 19,179.87, 28,731.53 and 15,237.81

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Solution

The fourth proportional to 19,179.87, 28,731.53 and 15,237.81 is: 22,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.87 : 28,731.53 = 15,237.81 : x
  2. Step 2: Convert to fraction form
    19,179.87/28,731.53 = 15,237.81/x
  3. Step 3: Cross multiply
    19,179.87x = 28,731.53 × 15,237.81
  4. Step 4: Simplify right side
    19,179.87x = 437,805,518.96
  5. Step 5: Solve for x
    x = 437,805,518.96/19,179.87
  6. Step 6: Final answer
    x = 22,826.30

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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.