Home / 18,936.49-26,132.46-10,983.43

Finding the Fourth Proportional to 18,936.49, 26,132.46 and 10,983.43

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Solution

The fourth proportional to 18,936.49, 26,132.46 and 10,983.43 is: 15,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.49 : 26,132.46 = 10,983.43 : x
  2. Step 2: Convert to fraction form
    18,936.49/26,132.46 = 10,983.43/x
  3. Step 3: Cross multiply
    18,936.49x = 26,132.46 × 10,983.43
  4. Step 4: Simplify right side
    18,936.49x = 287,024,045.14
  5. Step 5: Solve for x
    x = 287,024,045.14/18,936.49
  6. Step 6: Final answer
    x = 15,157.19

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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.