Home / 25,386.62-35,033.97-13,902.54

Finding the Fourth Proportional to 25,386.62, 35,033.97 and 13,902.54

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Solution

The fourth proportional to 25,386.62, 35,033.97 and 13,902.54 is: 19,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.62 : 35,033.97 = 13,902.54 : x
  2. Step 2: Convert to fraction form
    25,386.62/35,033.97 = 13,902.54/x
  3. Step 3: Cross multiply
    25,386.62x = 35,033.97 × 13,902.54
  4. Step 4: Simplify right side
    25,386.62x = 487,061,169.28
  5. Step 5: Solve for x
    x = 487,061,169.28/25,386.62
  6. Step 6: Final answer
    x = 19,185.74

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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.