Home / 19,040.85-28,573.95-8,507.37

Finding the Fourth Proportional to 19,040.85, 28,573.95 and 8,507.37

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Solution

The fourth proportional to 19,040.85, 28,573.95 and 8,507.37 is: 12,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.85 : 28,573.95 = 8,507.37 : x
  2. Step 2: Convert to fraction form
    19,040.85/28,573.95 = 8,507.37/x
  3. Step 3: Cross multiply
    19,040.85x = 28,573.95 × 8,507.37
  4. Step 4: Simplify right side
    19,040.85x = 243,089,165.01
  5. Step 5: Solve for x
    x = 243,089,165.01/19,040.85
  6. Step 6: Final answer
    x = 12,766.72

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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.