Home / 13,336.68-20,007.18-4,102.68

Finding the Fourth Proportional to 13,336.68, 20,007.18 and 4,102.68

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Solution

The fourth proportional to 13,336.68, 20,007.18 and 4,102.68 is: 6,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.68 : 20,007.18 = 4,102.68 : x
  2. Step 2: Convert to fraction form
    13,336.68/20,007.18 = 4,102.68/x
  3. Step 3: Cross multiply
    13,336.68x = 20,007.18 × 4,102.68
  4. Step 4: Simplify right side
    13,336.68x = 82,083,057.24
  5. Step 5: Solve for x
    x = 82,083,057.24/13,336.68
  6. Step 6: Final answer
    x = 6,154.68

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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.