Home / 25,338.64-37,974.48-18,342.04

Finding the Fourth Proportional to 25,338.64, 37,974.48 and 18,342.04

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Solution

The fourth proportional to 25,338.64, 37,974.48 and 18,342.04 is: 27,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.64 : 37,974.48 = 18,342.04 : x
  2. Step 2: Convert to fraction form
    25,338.64/37,974.48 = 18,342.04/x
  3. Step 3: Cross multiply
    25,338.64x = 37,974.48 × 18,342.04
  4. Step 4: Simplify right side
    25,338.64x = 696,529,431.14
  5. Step 5: Solve for x
    x = 696,529,431.14/25,338.64
  6. Step 6: Final answer
    x = 27,488.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.