Home / 19,582.64-29,373.82-4,791.78

Finding the Fourth Proportional to 19,582.64, 29,373.82 and 4,791.78

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Solution

The fourth proportional to 19,582.64, 29,373.82 and 4,791.78 is: 7,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.64 : 29,373.82 = 4,791.78 : x
  2. Step 2: Convert to fraction form
    19,582.64/29,373.82 = 4,791.78/x
  3. Step 3: Cross multiply
    19,582.64x = 29,373.82 × 4,791.78
  4. Step 4: Simplify right side
    19,582.64x = 140,752,883.20
  5. Step 5: Solve for x
    x = 140,752,883.20/19,582.64
  6. Step 6: Final answer
    x = 7,187.64

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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.