Home / 18,131.76-25,021.92-10,583.36

Finding the Fourth Proportional to 18,131.76, 25,021.92 and 10,583.36

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Solution

The fourth proportional to 18,131.76, 25,021.92 and 10,583.36 is: 14,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.76 : 25,021.92 = 10,583.36 : x
  2. Step 2: Convert to fraction form
    18,131.76/25,021.92 = 10,583.36/x
  3. Step 3: Cross multiply
    18,131.76x = 25,021.92 × 10,583.36
  4. Step 4: Simplify right side
    18,131.76x = 264,815,987.25
  5. Step 5: Solve for x
    x = 264,815,987.25/18,131.76
  6. Step 6: Final answer
    x = 14,605.09

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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.