Home / 25,552.31-38,334.78-12,235.43

Finding the Fourth Proportional to 25,552.31, 38,334.78 and 12,235.43

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Solution

The fourth proportional to 25,552.31, 38,334.78 and 12,235.43 is: 18,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552.31 : 38,334.78 = 12,235.43 : x
  2. Step 2: Convert to fraction form
    25,552.31/38,334.78 = 12,235.43/x
  3. Step 3: Cross multiply
    25,552.31x = 38,334.78 × 12,235.43
  4. Step 4: Simplify right side
    25,552.31x = 469,042,517.26
  5. Step 5: Solve for x
    x = 469,042,517.26/25,552.31
  6. Step 6: Final answer
    x = 18,356.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.