Home / 13,424.67-20,132.23-5,102.48

Finding the Fourth Proportional to 13,424.67, 20,132.23 and 5,102.48

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Solution

The fourth proportional to 13,424.67, 20,132.23 and 5,102.48 is: 7,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.67 : 20,132.23 = 5,102.48 : x
  2. Step 2: Convert to fraction form
    13,424.67/20,132.23 = 5,102.48/x
  3. Step 3: Cross multiply
    13,424.67x = 20,132.23 × 5,102.48
  4. Step 4: Simplify right side
    13,424.67x = 102,724,300.93
  5. Step 5: Solve for x
    x = 102,724,300.93/13,424.67
  6. Step 6: Final answer
    x = 7,651.91

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1.5x scale

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.