Home / 17,009.80-25,518.30-5,162.60

Finding the Fourth Proportional to 17,009.80, 25,518.30 and 5,162.60

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Solution

The fourth proportional to 17,009.80, 25,518.30 and 5,162.60 is: 7,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.80 : 25,518.30 = 5,162.60 : x
  2. Step 2: Convert to fraction form
    17,009.80/25,518.30 = 5,162.60/x
  3. Step 3: Cross multiply
    17,009.80x = 25,518.30 × 5,162.60
  4. Step 4: Simplify right side
    17,009.80x = 131,740,775.58
  5. Step 5: Solve for x
    x = 131,740,775.58/17,009.80
  6. Step 6: Final answer
    x = 7,744.99

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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.