Home / 18,310.12-25,267.86-9,926.44

Finding the Fourth Proportional to 18,310.12, 25,267.86 and 9,926.44

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Solution

The fourth proportional to 18,310.12, 25,267.86 and 9,926.44 is: 13,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.12 : 25,267.86 = 9,926.44 : x
  2. Step 2: Convert to fraction form
    18,310.12/25,267.86 = 9,926.44/x
  3. Step 3: Cross multiply
    18,310.12x = 25,267.86 × 9,926.44
  4. Step 4: Simplify right side
    18,310.12x = 250,819,896.22
  5. Step 5: Solve for x
    x = 250,819,896.22/18,310.12
  6. Step 6: Final answer
    x = 13,698.43

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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.