Home / 13,567.68-20,351.57-6,995.79

Finding the Fourth Proportional to 13,567.68, 20,351.57 and 6,995.79

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Solution

The fourth proportional to 13,567.68, 20,351.57 and 6,995.79 is: 10,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.68 : 20,351.57 = 6,995.79 : x
  2. Step 2: Convert to fraction form
    13,567.68/20,351.57 = 6,995.79/x
  3. Step 3: Cross multiply
    13,567.68x = 20,351.57 × 6,995.79
  4. Step 4: Simplify right side
    13,567.68x = 142,375,274.91
  5. Step 5: Solve for x
    x = 142,375,274.91/13,567.68
  6. Step 6: Final answer
    x = 10,493.71

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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.