Home / 27,412.97-37,815.39-18,900.27

Finding the Fourth Proportional to 27,412.97, 37,815.39 and 18,900.27

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Solution

The fourth proportional to 27,412.97, 37,815.39 and 18,900.27 is: 26,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.97 : 37,815.39 = 18,900.27 : x
  2. Step 2: Convert to fraction form
    27,412.97/37,815.39 = 18,900.27/x
  3. Step 3: Cross multiply
    27,412.97x = 37,815.39 × 18,900.27
  4. Step 4: Simplify right side
    27,412.97x = 714,721,081.16
  5. Step 5: Solve for x
    x = 714,721,081.16/27,412.97
  6. Step 6: Final answer
    x = 26,072.37

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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.