Home / 13,797.72-20,680.14-5,022.45

Finding the Fourth Proportional to 13,797.72, 20,680.14 and 5,022.45

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Solution

The fourth proportional to 13,797.72, 20,680.14 and 5,022.45 is: 7,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.72 : 20,680.14 = 5,022.45 : x
  2. Step 2: Convert to fraction form
    13,797.72/20,680.14 = 5,022.45/x
  3. Step 3: Cross multiply
    13,797.72x = 20,680.14 × 5,022.45
  4. Step 4: Simplify right side
    13,797.72x = 103,864,969.14
  5. Step 5: Solve for x
    x = 103,864,969.14/13,797.72
  6. Step 6: Final answer
    x = 7,527.69

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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.