Home / 26,120.36-39,153.74-10,319.00

Finding the Fourth Proportional to 26,120.36, 39,153.74 and 10,319.00

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Solution

The fourth proportional to 26,120.36, 39,153.74 and 10,319.00 is: 15,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.36 : 39,153.74 = 10,319.00 : x
  2. Step 2: Convert to fraction form
    26,120.36/39,153.74 = 10,319.00/x
  3. Step 3: Cross multiply
    26,120.36x = 39,153.74 × 10,319.00
  4. Step 4: Simplify right side
    26,120.36x = 404,027,195.70
  5. Step 5: Solve for x
    x = 404,027,195.70/26,120.36
  6. Step 6: Final answer
    x = 15,467.90

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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.