Home / 13,492.26-20,239.60-3,631.32

Finding the Fourth Proportional to 13,492.26, 20,239.60 and 3,631.32

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Solution

The fourth proportional to 13,492.26, 20,239.60 and 3,631.32 is: 5,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.26 : 20,239.60 = 3,631.32 : x
  2. Step 2: Convert to fraction form
    13,492.26/20,239.60 = 3,631.32/x
  3. Step 3: Cross multiply
    13,492.26x = 20,239.60 × 3,631.32
  4. Step 4: Simplify right side
    13,492.26x = 73,496,464.27
  5. Step 5: Solve for x
    x = 73,496,464.27/13,492.26
  6. Step 6: Final answer
    x = 5,447.31

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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.