Home / 13,800.77-20,704.22-5,035.68

Finding the Fourth Proportional to 13,800.77, 20,704.22 and 5,035.68

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Solution

The fourth proportional to 13,800.77, 20,704.22 and 5,035.68 is: 7,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.77 : 20,704.22 = 5,035.68 : x
  2. Step 2: Convert to fraction form
    13,800.77/20,704.22 = 5,035.68/x
  3. Step 3: Cross multiply
    13,800.77x = 20,704.22 × 5,035.68
  4. Step 4: Simplify right side
    13,800.77x = 104,259,839.16
  5. Step 5: Solve for x
    x = 104,259,839.16/13,800.77
  6. Step 6: Final answer
    x = 7,554.64

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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.