Home / 18,456.14-25,469.52-10,072.64

Finding the Fourth Proportional to 18,456.14, 25,469.52 and 10,072.64

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Solution

The fourth proportional to 18,456.14, 25,469.52 and 10,072.64 is: 13,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.14 : 25,469.52 = 10,072.64 : x
  2. Step 2: Convert to fraction form
    18,456.14/25,469.52 = 10,072.64/x
  3. Step 3: Cross multiply
    18,456.14x = 25,469.52 × 10,072.64
  4. Step 4: Simplify right side
    18,456.14x = 256,545,305.93
  5. Step 5: Solve for x
    x = 256,545,305.93/18,456.14
  6. Step 6: Final answer
    x = 13,900.27

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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.