Home / 17,098.20-25,643.70-7,237.80

Finding the Fourth Proportional to 17,098.20, 25,643.70 and 7,237.80

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Solution

The fourth proportional to 17,098.20, 25,643.70 and 7,237.80 is: 10,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,098.20 : 25,643.70 = 7,237.80 : x
  2. Step 2: Convert to fraction form
    17,098.20/25,643.70 = 7,237.80/x
  3. Step 3: Cross multiply
    17,098.20x = 25,643.70 × 7,237.80
  4. Step 4: Simplify right side
    17,098.20x = 185,603,971.86
  5. Step 5: Solve for x
    x = 185,603,971.86/17,098.20
  6. Step 6: Final answer
    x = 10,855.18

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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.