Home / 13,073.15-19,608.10-7,739.50

Finding the Fourth Proportional to 13,073.15, 19,608.10 and 7,739.50

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Solution

The fourth proportional to 13,073.15, 19,608.10 and 7,739.50 is: 11,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.15 : 19,608.10 = 7,739.50 : x
  2. Step 2: Convert to fraction form
    13,073.15/19,608.10 = 7,739.50/x
  3. Step 3: Cross multiply
    13,073.15x = 19,608.10 × 7,739.50
  4. Step 4: Simplify right side
    13,073.15x = 151,756,889.95
  5. Step 5: Solve for x
    x = 151,756,889.95/13,073.15
  6. Step 6: Final answer
    x = 11,608.29

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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.