Home / 25,216.54-34,766.30-20,662.29

Finding the Fourth Proportional to 25,216.54, 34,766.30 and 20,662.29

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Solution

The fourth proportional to 25,216.54, 34,766.30 and 20,662.29 is: 28,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.54 : 34,766.30 = 20,662.29 : x
  2. Step 2: Convert to fraction form
    25,216.54/34,766.30 = 20,662.29/x
  3. Step 3: Cross multiply
    25,216.54x = 34,766.30 × 20,662.29
  4. Step 4: Simplify right side
    25,216.54x = 718,351,294.11
  5. Step 5: Solve for x
    x = 718,351,294.11/25,216.54
  6. Step 6: Final answer
    x = 28,487.31

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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.