Home / 27,292.78-37,674.60-18,365.74

Finding the Fourth Proportional to 27,292.78, 37,674.60 and 18,365.74

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Solution

The fourth proportional to 27,292.78, 37,674.60 and 18,365.74 is: 25,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.78 : 37,674.60 = 18,365.74 : x
  2. Step 2: Convert to fraction form
    27,292.78/37,674.60 = 18,365.74/x
  3. Step 3: Cross multiply
    27,292.78x = 37,674.60 × 18,365.74
  4. Step 4: Simplify right side
    27,292.78x = 691,921,908.20
  5. Step 5: Solve for x
    x = 691,921,908.20/27,292.78
  6. Step 6: Final answer
    x = 25,351.83

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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.