Home / 16,195.50-22,351.38-9,480.72

Finding the Fourth Proportional to 16,195.50, 22,351.38 and 9,480.72

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Solution

The fourth proportional to 16,195.50, 22,351.38 and 9,480.72 is: 13,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.50 : 22,351.38 = 9,480.72 : x
  2. Step 2: Convert to fraction form
    16,195.50/22,351.38 = 9,480.72/x
  3. Step 3: Cross multiply
    16,195.50x = 22,351.38 × 9,480.72
  4. Step 4: Simplify right side
    16,195.50x = 211,907,175.39
  5. Step 5: Solve for x
    x = 211,907,175.39/16,195.50
  6. Step 6: Final answer
    x = 13,084.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.