Home / 18,727.12-25,843.41-10,343.62

Finding the Fourth Proportional to 18,727.12, 25,843.41 and 10,343.62

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Solution

The fourth proportional to 18,727.12, 25,843.41 and 10,343.62 is: 14,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.12 : 25,843.41 = 10,343.62 : x
  2. Step 2: Convert to fraction form
    18,727.12/25,843.41 = 10,343.62/x
  3. Step 3: Cross multiply
    18,727.12x = 25,843.41 × 10,343.62
  4. Step 4: Simplify right side
    18,727.12x = 267,314,412.54
  5. Step 5: Solve for x
    x = 267,314,412.54/18,727.12
  6. Step 6: Final answer
    x = 14,274.19

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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.