Home / 18,253.05-25,187.33-13,475.54

Finding the Fourth Proportional to 18,253.05, 25,187.33 and 13,475.54

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Solution

The fourth proportional to 18,253.05, 25,187.33 and 13,475.54 is: 18,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.05 : 25,187.33 = 13,475.54 : x
  2. Step 2: Convert to fraction form
    18,253.05/25,187.33 = 13,475.54/x
  3. Step 3: Cross multiply
    18,253.05x = 25,187.33 × 13,475.54
  4. Step 4: Simplify right side
    18,253.05x = 339,412,872.91
  5. Step 5: Solve for x
    x = 339,412,872.91/18,253.05
  6. Step 6: Final answer
    x = 18,594.86

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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.