Home / 13,358.12-20,039.91-4,474.34

Finding the Fourth Proportional to 13,358.12, 20,039.91 and 4,474.34

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Solution

The fourth proportional to 13,358.12, 20,039.91 and 4,474.34 is: 6,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.12 : 20,039.91 = 4,474.34 : x
  2. Step 2: Convert to fraction form
    13,358.12/20,039.91 = 4,474.34/x
  3. Step 3: Cross multiply
    13,358.12x = 20,039.91 × 4,474.34
  4. Step 4: Simplify right side
    13,358.12x = 89,665,329.08
  5. Step 5: Solve for x
    x = 89,665,329.08/13,358.12
  6. Step 6: Final answer
    x = 6,712.42

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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.