Home / 18,338.94-25,299.54-11,261.16

Finding the Fourth Proportional to 18,338.94, 25,299.54 and 11,261.16

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Solution

The fourth proportional to 18,338.94, 25,299.54 and 11,261.16 is: 15,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.94 : 25,299.54 = 11,261.16 : x
  2. Step 2: Convert to fraction form
    18,338.94/25,299.54 = 11,261.16/x
  3. Step 3: Cross multiply
    18,338.94x = 25,299.54 × 11,261.16
  4. Step 4: Simplify right side
    18,338.94x = 284,902,167.87
  5. Step 5: Solve for x
    x = 284,902,167.87/18,338.94
  6. Step 6: Final answer
    x = 15,535.37

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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.