Home / 17,184.30-25,764.30-7,828.80

Finding the Fourth Proportional to 17,184.30, 25,764.30 and 7,828.80

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Solution

The fourth proportional to 17,184.30, 25,764.30 and 7,828.80 is: 11,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184.30 : 25,764.30 = 7,828.80 : x
  2. Step 2: Convert to fraction form
    17,184.30/25,764.30 = 7,828.80/x
  3. Step 3: Cross multiply
    17,184.30x = 25,764.30 × 7,828.80
  4. Step 4: Simplify right side
    17,184.30x = 201,703,551.84
  5. Step 5: Solve for x
    x = 201,703,551.84/17,184.30
  6. Step 6: Final answer
    x = 11,737.66

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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.