Home / 18,892.26-28,341.64-5,745.96

Finding the Fourth Proportional to 18,892.26, 28,341.64 and 5,745.96

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Solution

The fourth proportional to 18,892.26, 28,341.64 and 5,745.96 is: 8,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.26 : 28,341.64 = 5,745.96 : x
  2. Step 2: Convert to fraction form
    18,892.26/28,341.64 = 5,745.96/x
  3. Step 3: Cross multiply
    18,892.26x = 28,341.64 × 5,745.96
  4. Step 4: Simplify right side
    18,892.26x = 162,849,929.77
  5. Step 5: Solve for x
    x = 162,849,929.77/18,892.26
  6. Step 6: Final answer
    x = 8,619.93

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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.