Home / 25,216.66-34,766.48-20,662.41

Finding the Fourth Proportional to 25,216.66, 34,766.48 and 20,662.41

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Solution

The fourth proportional to 25,216.66, 34,766.48 and 20,662.41 is: 28,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.66 : 34,766.48 = 20,662.41 : x
  2. Step 2: Convert to fraction form
    25,216.66/34,766.48 = 20,662.41/x
  3. Step 3: Cross multiply
    25,216.66x = 34,766.48 × 20,662.41
  4. Step 4: Simplify right side
    25,216.66x = 718,359,247.62
  5. Step 5: Solve for x
    x = 718,359,247.62/25,216.66
  6. Step 6: Final answer
    x = 28,487.48

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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.