Home / 13,735.45-20,617.76-13,035.61

Finding the Fourth Proportional to 13,735.45, 20,617.76 and 13,035.61

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Solution

The fourth proportional to 13,735.45, 20,617.76 and 13,035.61 is: 19,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.45 : 20,617.76 = 13,035.61 : x
  2. Step 2: Convert to fraction form
    13,735.45/20,617.76 = 13,035.61/x
  3. Step 3: Cross multiply
    13,735.45x = 20,617.76 × 13,035.61
  4. Step 4: Simplify right side
    13,735.45x = 268,765,078.43
  5. Step 5: Solve for x
    x = 268,765,078.43/13,735.45
  6. Step 6: Final answer
    x = 19,567.26

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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.