Home / 23,469.88-35,120.94-20,386.22

Finding the Fourth Proportional to 23,469.88, 35,120.94 and 20,386.22

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Solution

The fourth proportional to 23,469.88, 35,120.94 and 20,386.22 is: 30,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,469.88 : 35,120.94 = 20,386.22 : x
  2. Step 2: Convert to fraction form
    23,469.88/35,120.94 = 20,386.22/x
  3. Step 3: Cross multiply
    23,469.88x = 35,120.94 × 20,386.22
  4. Step 4: Simplify right side
    23,469.88x = 715,983,209.45
  5. Step 5: Solve for x
    x = 715,983,209.45/23,469.88
  6. Step 6: Final answer
    x = 30,506.47

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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.