Home / 17,817.89-24,589.20-9,860.85

Finding the Fourth Proportional to 17,817.89, 24,589.20 and 9,860.85

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Solution

The fourth proportional to 17,817.89, 24,589.20 and 9,860.85 is: 13,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.89 : 24,589.20 = 9,860.85 : x
  2. Step 2: Convert to fraction form
    17,817.89/24,589.20 = 9,860.85/x
  3. Step 3: Cross multiply
    17,817.89x = 24,589.20 × 9,860.85
  4. Step 4: Simplify right side
    17,817.89x = 242,470,412.82
  5. Step 5: Solve for x
    x = 242,470,412.82/17,817.89
  6. Step 6: Final answer
    x = 13,608.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.