Home / 13,506.86-20,269.18-4,741.54

Finding the Fourth Proportional to 13,506.86, 20,269.18 and 4,741.54

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Solution

The fourth proportional to 13,506.86, 20,269.18 and 4,741.54 is: 7,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.86 : 20,269.18 = 4,741.54 : x
  2. Step 2: Convert to fraction form
    13,506.86/20,269.18 = 4,741.54/x
  3. Step 3: Cross multiply
    13,506.86x = 20,269.18 × 4,741.54
  4. Step 4: Simplify right side
    13,506.86x = 96,107,127.74
  5. Step 5: Solve for x
    x = 96,107,127.74/13,506.86
  6. Step 6: Final answer
    x = 7,115.43

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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.