Home / 18,881.07-28,321.77-5,733.45

Finding the Fourth Proportional to 18,881.07, 28,321.77 and 5,733.45

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Solution

The fourth proportional to 18,881.07, 28,321.77 and 5,733.45 is: 8,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.07 : 28,321.77 = 5,733.45 : x
  2. Step 2: Convert to fraction form
    18,881.07/28,321.77 = 5,733.45/x
  3. Step 3: Cross multiply
    18,881.07x = 28,321.77 × 5,733.45
  4. Step 4: Simplify right side
    18,881.07x = 162,381,452.21
  5. Step 5: Solve for x
    x = 162,381,452.21/18,881.07
  6. Step 6: Final answer
    x = 8,600.23

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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.