Home / 25,382.94-35,016.39-16,438.38

Finding the Fourth Proportional to 25,382.94, 35,016.39 and 16,438.38

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Solution

The fourth proportional to 25,382.94, 35,016.39 and 16,438.38 is: 22,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.94 : 35,016.39 = 16,438.38 : x
  2. Step 2: Convert to fraction form
    25,382.94/35,016.39 = 16,438.38/x
  3. Step 3: Cross multiply
    25,382.94x = 35,016.39 × 16,438.38
  4. Step 4: Simplify right side
    25,382.94x = 575,612,725.05
  5. Step 5: Solve for x
    x = 575,612,725.05/25,382.94
  6. Step 6: Final answer
    x = 22,677.15

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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.