Home / 22,121.44-33,178.56-8,973.28

Finding the Fourth Proportional to 22,121.44, 33,178.56 and 8,973.28

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Solution

The fourth proportional to 22,121.44, 33,178.56 and 8,973.28 is: 13,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.44 : 33,178.56 = 8,973.28 : x
  2. Step 2: Convert to fraction form
    22,121.44/33,178.56 = 8,973.28/x
  3. Step 3: Cross multiply
    22,121.44x = 33,178.56 × 8,973.28
  4. Step 4: Simplify right side
    22,121.44x = 297,720,508.88
  5. Step 5: Solve for x
    x = 297,720,508.88/22,121.44
  6. Step 6: Final answer
    x = 13,458.46

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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.