Home / 13,635.14-20,455.13-4,882.28

Finding the Fourth Proportional to 13,635.14, 20,455.13 and 4,882.28

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Solution

The fourth proportional to 13,635.14, 20,455.13 and 4,882.28 is: 7,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.14 : 20,455.13 = 4,882.28 : x
  2. Step 2: Convert to fraction form
    13,635.14/20,455.13 = 4,882.28/x
  3. Step 3: Cross multiply
    13,635.14x = 20,455.13 × 4,882.28
  4. Step 4: Simplify right side
    13,635.14x = 99,867,582.03
  5. Step 5: Solve for x
    x = 99,867,582.03/13,635.14
  6. Step 6: Final answer
    x = 7,324.28

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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.