Home / 13,792.40-20,688.63-3,797.27

Finding the Fourth Proportional to 13,792.40, 20,688.63 and 3,797.27

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Solution

The fourth proportional to 13,792.40, 20,688.63 and 3,797.27 is: 5,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.40 : 20,688.63 = 3,797.27 : x
  2. Step 2: Convert to fraction form
    13,792.40/20,688.63 = 3,797.27/x
  3. Step 3: Cross multiply
    13,792.40x = 20,688.63 × 3,797.27
  4. Step 4: Simplify right side
    13,792.40x = 78,560,365.76
  5. Step 5: Solve for x
    x = 78,560,365.76/13,792.40
  6. Step 6: Final answer
    x = 5,695.92

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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.