Home / 18,964.68-28,448.37-5,817.30

Finding the Fourth Proportional to 18,964.68, 28,448.37 and 5,817.30

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Solution

The fourth proportional to 18,964.68, 28,448.37 and 5,817.30 is: 8,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.68 : 28,448.37 = 5,817.30 : x
  2. Step 2: Convert to fraction form
    18,964.68/28,448.37 = 5,817.30/x
  3. Step 3: Cross multiply
    18,964.68x = 28,448.37 × 5,817.30
  4. Step 4: Simplify right side
    18,964.68x = 165,492,702.80
  5. Step 5: Solve for x
    x = 165,492,702.80/18,964.68
  6. Step 6: Final answer
    x = 8,726.36

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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.