Home / 18,358.38-25,237.44-15,796.62

Finding the Fourth Proportional to 18,358.38, 25,237.44 and 15,796.62

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Solution

The fourth proportional to 18,358.38, 25,237.44 and 15,796.62 is: 21,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.38 : 25,237.44 = 15,796.62 : x
  2. Step 2: Convert to fraction form
    18,358.38/25,237.44 = 15,796.62/x
  3. Step 3: Cross multiply
    18,358.38x = 25,237.44 × 15,796.62
  4. Step 4: Simplify right side
    18,358.38x = 398,666,249.45
  5. Step 5: Solve for x
    x = 398,666,249.45/18,358.38
  6. Step 6: Final answer
    x = 21,715.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.