Home / 74,528.62-111,791.94-18,369.40

Finding the Fourth Proportional to 74,528.62, 111,791.94 and 18,369.40

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Solution

The fourth proportional to 74,528.62, 111,791.94 and 18,369.40 is: 27,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.62 : 111,791.94 = 18,369.40 : x
  2. Step 2: Convert to fraction form
    74,528.62/111,791.94 = 18,369.40/x
  3. Step 3: Cross multiply
    74,528.62x = 111,791.94 × 18,369.40
  4. Step 4: Simplify right side
    74,528.62x = 2,053,550,862.64
  5. Step 5: Solve for x
    x = 2,053,550,862.64/74,528.62
  6. Step 6: Final answer
    x = 27,553.86

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1.5x scale

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.