Home / 20,213.51-30,324.58-7,066.31

Finding the Fourth Proportional to 20,213.51, 30,324.58 and 7,066.31

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Solution

The fourth proportional to 20,213.51, 30,324.58 and 7,066.31 is: 10,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.51 : 30,324.58 = 7,066.31 : x
  2. Step 2: Convert to fraction form
    20,213.51/30,324.58 = 7,066.31/x
  3. Step 3: Cross multiply
    20,213.51x = 30,324.58 × 7,066.31
  4. Step 4: Simplify right side
    20,213.51x = 214,282,713.61
  5. Step 5: Solve for x
    x = 214,282,713.61/20,213.51
  6. Step 6: Final answer
    x = 10,600.97

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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.