Home / 22,245.12-33,344.64-18,308.16

Finding the Fourth Proportional to 22,245.12, 33,344.64 and 18,308.16

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Solution

The fourth proportional to 22,245.12, 33,344.64 and 18,308.16 is: 27,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.12 : 33,344.64 = 18,308.16 : x
  2. Step 2: Convert to fraction form
    22,245.12/33,344.64 = 18,308.16/x
  3. Step 3: Cross multiply
    22,245.12x = 33,344.64 × 18,308.16
  4. Step 4: Simplify right side
    22,245.12x = 610,479,004.26
  5. Step 5: Solve for x
    x = 610,479,004.26/22,245.12
  6. Step 6: Final answer
    x = 27,443.28

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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.