Home / 18,274.14-27,410.82-5,126.18

Finding the Fourth Proportional to 18,274.14, 27,410.82 and 5,126.18

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Solution

The fourth proportional to 18,274.14, 27,410.82 and 5,126.18 is: 7,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.14 : 27,410.82 = 5,126.18 : x
  2. Step 2: Convert to fraction form
    18,274.14/27,410.82 = 5,126.18/x
  3. Step 3: Cross multiply
    18,274.14x = 27,410.82 × 5,126.18
  4. Step 4: Simplify right side
    18,274.14x = 140,512,660.21
  5. Step 5: Solve for x
    x = 140,512,660.21/18,274.14
  6. Step 6: Final answer
    x = 7,689.15

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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.