Home / 18,310.08-25,268-9,926.56

Finding the Fourth Proportional to 18,310.08, 25,268 and 9,926.56

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Solution

The fourth proportional to 18,310.08, 25,268 and 9,926.56 is: 13,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.08 : 25,268 = 9,926.56 : x
  2. Step 2: Convert to fraction form
    18,310.08/25,268 = 9,926.56/x
  3. Step 3: Cross multiply
    18,310.08x = 25,268 × 9,926.56
  4. Step 4: Simplify right side
    18,310.08x = 250,824,318.08
  5. Step 5: Solve for x
    x = 250,824,318.08/18,310.08
  6. Step 6: Final answer
    x = 13,698.70

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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.