Home / 21,812.22-32,723.55-7,022.52

Finding the Fourth Proportional to 21,812.22, 32,723.55 and 7,022.52

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Solution

The fourth proportional to 21,812.22, 32,723.55 and 7,022.52 is: 10,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812.22 : 32,723.55 = 7,022.52 : x
  2. Step 2: Convert to fraction form
    21,812.22/32,723.55 = 7,022.52/x
  3. Step 3: Cross multiply
    21,812.22x = 32,723.55 × 7,022.52
  4. Step 4: Simplify right side
    21,812.22x = 229,801,784.35
  5. Step 5: Solve for x
    x = 229,801,784.35/21,812.22
  6. Step 6: Final answer
    x = 10,535.46

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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.