Home / 20,001.33-27,605.21-11,622.69

Finding the Fourth Proportional to 20,001.33, 27,605.21 and 11,622.69

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Solution

The fourth proportional to 20,001.33, 27,605.21 and 11,622.69 is: 16,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.33 : 27,605.21 = 11,622.69 : x
  2. Step 2: Convert to fraction form
    20,001.33/27,605.21 = 11,622.69/x
  3. Step 3: Cross multiply
    20,001.33x = 27,605.21 × 11,622.69
  4. Step 4: Simplify right side
    20,001.33x = 320,846,740.10
  5. Step 5: Solve for x
    x = 320,846,740.10/20,001.33
  6. Step 6: Final answer
    x = 16,041.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.