Home / 25,238.25-34,796.44-20,684.17

Finding the Fourth Proportional to 25,238.25, 34,796.44 and 20,684.17

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Solution

The fourth proportional to 25,238.25, 34,796.44 and 20,684.17 is: 28,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.25 : 34,796.44 = 20,684.17 : x
  2. Step 2: Convert to fraction form
    25,238.25/34,796.44 = 20,684.17/x
  3. Step 3: Cross multiply
    25,238.25x = 34,796.44 × 20,684.17
  4. Step 4: Simplify right side
    25,238.25x = 719,735,341.65
  5. Step 5: Solve for x
    x = 719,735,341.65/25,238.25
  6. Step 6: Final answer
    x = 28,517.64

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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.