Home / 25,591.38-35,284.23-21,348.60

Finding the Fourth Proportional to 25,591.38, 35,284.23 and 21,348.60

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Solution

The fourth proportional to 25,591.38, 35,284.23 and 21,348.60 is: 29,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.38 : 35,284.23 = 21,348.60 : x
  2. Step 2: Convert to fraction form
    25,591.38/35,284.23 = 21,348.60/x
  3. Step 3: Cross multiply
    25,591.38x = 35,284.23 × 21,348.60
  4. Step 4: Simplify right side
    25,591.38x = 753,268,912.58
  5. Step 5: Solve for x
    x = 753,268,912.58/25,591.38
  6. Step 6: Final answer
    x = 29,434.48

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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.