Home / 20,462.49-30,694.14-6,422.22

Finding the Fourth Proportional to 20,462.49, 30,694.14 and 6,422.22

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Solution

The fourth proportional to 20,462.49, 30,694.14 and 6,422.22 is: 9,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.49 : 30,694.14 = 6,422.22 : x
  2. Step 2: Convert to fraction form
    20,462.49/30,694.14 = 6,422.22/x
  3. Step 3: Cross multiply
    20,462.49x = 30,694.14 × 6,422.22
  4. Step 4: Simplify right side
    20,462.49x = 197,124,519.79
  5. Step 5: Solve for x
    x = 197,124,519.79/20,462.49
  6. Step 6: Final answer
    x = 9,633.46

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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.