Home / 25,382.68-38,074.28-11,343.44

Finding the Fourth Proportional to 25,382.68, 38,074.28 and 11,343.44

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Solution

The fourth proportional to 25,382.68, 38,074.28 and 11,343.44 is: 17,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.68 : 38,074.28 = 11,343.44 : x
  2. Step 2: Convert to fraction form
    25,382.68/38,074.28 = 11,343.44/x
  3. Step 3: Cross multiply
    25,382.68x = 38,074.28 × 11,343.44
  4. Step 4: Simplify right side
    25,382.68x = 431,893,310.72
  5. Step 5: Solve for x
    x = 431,893,310.72/25,382.68
  6. Step 6: Final answer
    x = 17,015.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.