Home / 18,727.38-25,843.29-10,343.70

Finding the Fourth Proportional to 18,727.38, 25,843.29 and 10,343.70

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Solution

The fourth proportional to 18,727.38, 25,843.29 and 10,343.70 is: 14,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.38 : 25,843.29 = 10,343.70 : x
  2. Step 2: Convert to fraction form
    18,727.38/25,843.29 = 10,343.70/x
  3. Step 3: Cross multiply
    18,727.38x = 25,843.29 × 10,343.70
  4. Step 4: Simplify right side
    18,727.38x = 267,315,238.77
  5. Step 5: Solve for x
    x = 267,315,238.77/18,727.38
  6. Step 6: Final answer
    x = 14,274.03

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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.