Home / 18,310.62-25,268.55-9,926.94

Finding the Fourth Proportional to 18,310.62, 25,268.55 and 9,926.94

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Solution

The fourth proportional to 18,310.62, 25,268.55 and 9,926.94 is: 13,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.62 : 25,268.55 = 9,926.94 : x
  2. Step 2: Convert to fraction form
    18,310.62/25,268.55 = 9,926.94/x
  3. Step 3: Cross multiply
    18,310.62x = 25,268.55 × 9,926.94
  4. Step 4: Simplify right side
    18,310.62x = 250,839,379.74
  5. Step 5: Solve for x
    x = 250,839,379.74/18,310.62
  6. Step 6: Final answer
    x = 13,699.12

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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.