Home / 19,582.77-29,374.01-4,791.90

Finding the Fourth Proportional to 19,582.77, 29,374.01 and 4,791.90

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Solution

The fourth proportional to 19,582.77, 29,374.01 and 4,791.90 is: 7,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.77 : 29,374.01 = 4,791.90 : x
  2. Step 2: Convert to fraction form
    19,582.77/29,374.01 = 4,791.90/x
  3. Step 3: Cross multiply
    19,582.77x = 29,374.01 × 4,791.90
  4. Step 4: Simplify right side
    19,582.77x = 140,757,318.52
  5. Step 5: Solve for x
    x = 140,757,318.52/19,582.77
  6. Step 6: Final answer
    x = 7,187.81

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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.