Home / 18,563.67-25,617.81-11,013.66

Finding the Fourth Proportional to 18,563.67, 25,617.81 and 11,013.66

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Solution

The fourth proportional to 18,563.67, 25,617.81 and 11,013.66 is: 15,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.67 : 25,617.81 = 11,013.66 : x
  2. Step 2: Convert to fraction form
    18,563.67/25,617.81 = 11,013.66/x
  3. Step 3: Cross multiply
    18,563.67x = 25,617.81 × 11,013.66
  4. Step 4: Simplify right side
    18,563.67x = 282,145,849.28
  5. Step 5: Solve for x
    x = 282,145,849.28/18,563.67
  6. Step 6: Final answer
    x = 15,198.82

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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.