Home / 18,726.99-25,843.38-10,343.49

Finding the Fourth Proportional to 18,726.99, 25,843.38 and 10,343.49

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Solution

The fourth proportional to 18,726.99, 25,843.38 and 10,343.49 is: 14,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.99 : 25,843.38 = 10,343.49 : x
  2. Step 2: Convert to fraction form
    18,726.99/25,843.38 = 10,343.49/x
  3. Step 3: Cross multiply
    18,726.99x = 25,843.38 × 10,343.49
  4. Step 4: Simplify right side
    18,726.99x = 267,310,742.60
  5. Step 5: Solve for x
    x = 267,310,742.60/18,726.99
  6. Step 6: Final answer
    x = 14,274.09

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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.