Home / 23,979.34-33,112.38-15,042.20

Finding the Fourth Proportional to 23,979.34, 33,112.38 and 15,042.20

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Solution

The fourth proportional to 23,979.34, 33,112.38 and 15,042.20 is: 20,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.34 : 33,112.38 = 15,042.20 : x
  2. Step 2: Convert to fraction form
    23,979.34/33,112.38 = 15,042.20/x
  3. Step 3: Cross multiply
    23,979.34x = 33,112.38 × 15,042.20
  4. Step 4: Simplify right side
    23,979.34x = 498,082,967.23
  5. Step 5: Solve for x
    x = 498,082,967.23/23,979.34
  6. Step 6: Final answer
    x = 20,771.34

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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.