Home / 23,979.22-33,090.61-13,224.09

Finding the Fourth Proportional to 23,979.22, 33,090.61 and 13,224.09

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Solution

The fourth proportional to 23,979.22, 33,090.61 and 13,224.09 is: 18,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.22 : 33,090.61 = 13,224.09 : x
  2. Step 2: Convert to fraction form
    23,979.22/33,090.61 = 13,224.09/x
  3. Step 3: Cross multiply
    23,979.22x = 33,090.61 × 13,224.09
  4. Step 4: Simplify right side
    23,979.22x = 437,593,204.79
  5. Step 5: Solve for x
    x = 437,593,204.79/23,979.22
  6. Step 6: Final answer
    x = 18,248.85

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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.