Home / 19,263.76-28,907.78-7,576.66

Finding the Fourth Proportional to 19,263.76, 28,907.78 and 7,576.66

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Solution

The fourth proportional to 19,263.76, 28,907.78 and 7,576.66 is: 11,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.76 : 28,907.78 = 7,576.66 : x
  2. Step 2: Convert to fraction form
    19,263.76/28,907.78 = 7,576.66/x
  3. Step 3: Cross multiply
    19,263.76x = 28,907.78 × 7,576.66
  4. Step 4: Simplify right side
    19,263.76x = 219,024,420.41
  5. Step 5: Solve for x
    x = 219,024,420.41/19,263.76
  6. Step 6: Final answer
    x = 11,369.76

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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.