Home / 18,744.57-28,117.22-4,893.93

Finding the Fourth Proportional to 18,744.57, 28,117.22 and 4,893.93

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Solution

The fourth proportional to 18,744.57, 28,117.22 and 4,893.93 is: 7,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.57 : 28,117.22 = 4,893.93 : x
  2. Step 2: Convert to fraction form
    18,744.57/28,117.22 = 4,893.93/x
  3. Step 3: Cross multiply
    18,744.57x = 28,117.22 × 4,893.93
  4. Step 4: Simplify right side
    18,744.57x = 137,603,682.00
  5. Step 5: Solve for x
    x = 137,603,682.00/18,744.57
  6. Step 6: Final answer
    x = 7,340.99

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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.