Home / 18,742.24-28,104.02-6,257.98

Finding the Fourth Proportional to 18,742.24, 28,104.02 and 6,257.98

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Solution

The fourth proportional to 18,742.24, 28,104.02 and 6,257.98 is: 9,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.24 : 28,104.02 = 6,257.98 : x
  2. Step 2: Convert to fraction form
    18,742.24/28,104.02 = 6,257.98/x
  3. Step 3: Cross multiply
    18,742.24x = 28,104.02 × 6,257.98
  4. Step 4: Simplify right side
    18,742.24x = 175,874,395.08
  5. Step 5: Solve for x
    x = 175,874,395.08/18,742.24
  6. Step 6: Final answer
    x = 9,383.85

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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.