Home / 18,422.90-27,614.67-10,508.37

Finding the Fourth Proportional to 18,422.90, 27,614.67 and 10,508.37

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Solution

The fourth proportional to 18,422.90, 27,614.67 and 10,508.37 is: 15,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.90 : 27,614.67 = 10,508.37 : x
  2. Step 2: Convert to fraction form
    18,422.90/27,614.67 = 10,508.37/x
  3. Step 3: Cross multiply
    18,422.90x = 27,614.67 × 10,508.37
  4. Step 4: Simplify right side
    18,422.90x = 290,185,169.79
  5. Step 5: Solve for x
    x = 290,185,169.79/18,422.90
  6. Step 6: Final answer
    x = 15,751.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.