Home / 25,563.97-38,326.83-17,220.57

Finding the Fourth Proportional to 25,563.97, 38,326.83 and 17,220.57

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Solution

The fourth proportional to 25,563.97, 38,326.83 and 17,220.57 is: 25,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.97 : 38,326.83 = 17,220.57 : x
  2. Step 2: Convert to fraction form
    25,563.97/38,326.83 = 17,220.57/x
  3. Step 3: Cross multiply
    25,563.97x = 38,326.83 × 17,220.57
  4. Step 4: Simplify right side
    25,563.97x = 660,009,858.89
  5. Step 5: Solve for x
    x = 660,009,858.89/25,563.97
  6. Step 6: Final answer
    x = 25,817.97

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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.