Home / 13,354.92-20,035.08-3,995.12

Finding the Fourth Proportional to 13,354.92, 20,035.08 and 3,995.12

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Solution

The fourth proportional to 13,354.92, 20,035.08 and 3,995.12 is: 5,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.92 : 20,035.08 = 3,995.12 : x
  2. Step 2: Convert to fraction form
    13,354.92/20,035.08 = 3,995.12/x
  3. Step 3: Cross multiply
    13,354.92x = 20,035.08 × 3,995.12
  4. Step 4: Simplify right side
    13,354.92x = 80,042,548.81
  5. Step 5: Solve for x
    x = 80,042,548.81/13,354.92
  6. Step 6: Final answer
    x = 5,993.49

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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.