Home / 19,546.87-29,320.04-4,755.79

Finding the Fourth Proportional to 19,546.87, 29,320.04 and 4,755.79

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Solution

The fourth proportional to 19,546.87, 29,320.04 and 4,755.79 is: 7,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546.87 : 29,320.04 = 4,755.79 : x
  2. Step 2: Convert to fraction form
    19,546.87/29,320.04 = 4,755.79/x
  3. Step 3: Cross multiply
    19,546.87x = 29,320.04 × 4,755.79
  4. Step 4: Simplify right side
    19,546.87x = 139,439,953.03
  5. Step 5: Solve for x
    x = 139,439,953.03/19,546.87
  6. Step 6: Final answer
    x = 7,133.62

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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.