Home / 22,118.22-33,172.67-7,126.68

Finding the Fourth Proportional to 22,118.22, 33,172.67 and 7,126.68

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Solution

The fourth proportional to 22,118.22, 33,172.67 and 7,126.68 is: 10,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.22 : 33,172.67 = 7,126.68 : x
  2. Step 2: Convert to fraction form
    22,118.22/33,172.67 = 7,126.68/x
  3. Step 3: Cross multiply
    22,118.22x = 33,172.67 × 7,126.68
  4. Step 4: Simplify right side
    22,118.22x = 236,410,968.20
  5. Step 5: Solve for x
    x = 236,410,968.20/22,118.22
  6. Step 6: Final answer
    x = 10,688.52

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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.