Home / 18,736.34-25,855.94-10,238.36

Finding the Fourth Proportional to 18,736.34, 25,855.94 and 10,238.36

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Solution

The fourth proportional to 18,736.34, 25,855.94 and 10,238.36 is: 14,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.34 : 25,855.94 = 10,238.36 : x
  2. Step 2: Convert to fraction form
    18,736.34/25,855.94 = 10,238.36/x
  3. Step 3: Cross multiply
    18,736.34x = 25,855.94 × 10,238.36
  4. Step 4: Simplify right side
    18,736.34x = 264,722,318.17
  5. Step 5: Solve for x
    x = 264,722,318.17/18,736.34
  6. Step 6: Final answer
    x = 14,128.82

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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.