Home / 74,528.37-111,791.57-18,369.15

Finding the Fourth Proportional to 74,528.37, 111,791.57 and 18,369.15

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Solution

The fourth proportional to 74,528.37, 111,791.57 and 18,369.15 is: 27,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.37 : 111,791.57 = 18,369.15 : x
  2. Step 2: Convert to fraction form
    74,528.37/111,791.57 = 18,369.15/x
  3. Step 3: Cross multiply
    74,528.37x = 111,791.57 × 18,369.15
  4. Step 4: Simplify right side
    74,528.37x = 2,053,516,026.22
  5. Step 5: Solve for x
    x = 2,053,516,026.22/74,528.37
  6. Step 6: Final answer
    x = 27,553.48

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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.