Home / 22,458.40-33,706.80-9,997.60

Finding the Fourth Proportional to 22,458.40, 33,706.80 and 9,997.60

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Solution

The fourth proportional to 22,458.40, 33,706.80 and 9,997.60 is: 15,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.40 : 33,706.80 = 9,997.60 : x
  2. Step 2: Convert to fraction form
    22,458.40/33,706.80 = 9,997.60/x
  3. Step 3: Cross multiply
    22,458.40x = 33,706.80 × 9,997.60
  4. Step 4: Simplify right side
    22,458.40x = 336,987,103.68
  5. Step 5: Solve for x
    x = 336,987,103.68/22,458.40
  6. Step 6: Final answer
    x = 15,004.95

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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.