Home / 25,382.16-35,027.46-13,740.38

Finding the Fourth Proportional to 25,382.16, 35,027.46 and 13,740.38

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Solution

The fourth proportional to 25,382.16, 35,027.46 and 13,740.38 is: 18,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.16 : 35,027.46 = 13,740.38 : x
  2. Step 2: Convert to fraction form
    25,382.16/35,027.46 = 13,740.38/x
  3. Step 3: Cross multiply
    25,382.16x = 35,027.46 × 13,740.38
  4. Step 4: Simplify right side
    25,382.16x = 481,290,435.70
  5. Step 5: Solve for x
    x = 481,290,435.70/25,382.16
  6. Step 6: Final answer
    x = 18,961.76

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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.