Home / 22,072.08-33,108.72-6,490.20

Finding the Fourth Proportional to 22,072.08, 33,108.72 and 6,490.20

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Solution

The fourth proportional to 22,072.08, 33,108.72 and 6,490.20 is: 9,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.08 : 33,108.72 = 6,490.20 : x
  2. Step 2: Convert to fraction form
    22,072.08/33,108.72 = 6,490.20/x
  3. Step 3: Cross multiply
    22,072.08x = 33,108.72 × 6,490.20
  4. Step 4: Simplify right side
    22,072.08x = 214,882,214.54
  5. Step 5: Solve for x
    x = 214,882,214.54/22,072.08
  6. Step 6: Final answer
    x = 9,735.48

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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.