Home / 18,651.07-25,738.80-10,153.44

Finding the Fourth Proportional to 18,651.07, 25,738.80 and 10,153.44

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Solution

The fourth proportional to 18,651.07, 25,738.80 and 10,153.44 is: 14,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.07 : 25,738.80 = 10,153.44 : x
  2. Step 2: Convert to fraction form
    18,651.07/25,738.80 = 10,153.44/x
  3. Step 3: Cross multiply
    18,651.07x = 25,738.80 × 10,153.44
  4. Step 4: Simplify right side
    18,651.07x = 261,337,361.47
  5. Step 5: Solve for x
    x = 261,337,361.47/18,651.07
  6. Step 6: Final answer
    x = 14,011.92

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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.