Home / 18,563.09-25,605.72-11,004.36

Finding the Fourth Proportional to 18,563.09, 25,605.72 and 11,004.36

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Solution

The fourth proportional to 18,563.09, 25,605.72 and 11,004.36 is: 15,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.09 : 25,605.72 = 11,004.36 : x
  2. Step 2: Convert to fraction form
    18,563.09/25,605.72 = 11,004.36/x
  3. Step 3: Cross multiply
    18,563.09x = 25,605.72 × 11,004.36
  4. Step 4: Simplify right side
    18,563.09x = 281,774,560.94
  5. Step 5: Solve for x
    x = 281,774,560.94/18,563.09
  6. Step 6: Final answer
    x = 15,179.30

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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.