Home / 22,420.16-33,622.36-6,620.97

Finding the Fourth Proportional to 22,420.16, 33,622.36 and 6,620.97

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Solution

The fourth proportional to 22,420.16, 33,622.36 and 6,620.97 is: 9,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.16 : 33,622.36 = 6,620.97 : x
  2. Step 2: Convert to fraction form
    22,420.16/33,622.36 = 6,620.97/x
  3. Step 3: Cross multiply
    22,420.16x = 33,622.36 × 6,620.97
  4. Step 4: Simplify right side
    22,420.16x = 222,612,636.89
  5. Step 5: Solve for x
    x = 222,612,636.89/22,420.16
  6. Step 6: Final answer
    x = 9,929.13

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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.