Home / 13,531.86-20,269.44-8,598.96

Finding the Fourth Proportional to 13,531.86, 20,269.44 and 8,598.96

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Solution

The fourth proportional to 13,531.86, 20,269.44 and 8,598.96 is: 12,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.86 : 20,269.44 = 8,598.96 : x
  2. Step 2: Convert to fraction form
    13,531.86/20,269.44 = 8,598.96/x
  3. Step 3: Cross multiply
    13,531.86x = 20,269.44 × 8,598.96
  4. Step 4: Simplify right side
    13,531.86x = 174,296,103.78
  5. Step 5: Solve for x
    x = 174,296,103.78/13,531.86
  6. Step 6: Final answer
    x = 12,880.42

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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.