Home / 19,892.46-29,843.32-7,412.52

Finding the Fourth Proportional to 19,892.46, 29,843.32 and 7,412.52

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Solution

The fourth proportional to 19,892.46, 29,843.32 and 7,412.52 is: 11,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.46 : 29,843.32 = 7,412.52 : x
  2. Step 2: Convert to fraction form
    19,892.46/29,843.32 = 7,412.52/x
  3. Step 3: Cross multiply
    19,892.46x = 29,843.32 × 7,412.52
  4. Step 4: Simplify right side
    19,892.46x = 221,214,206.37
  5. Step 5: Solve for x
    x = 221,214,206.37/19,892.46
  6. Step 6: Final answer
    x = 11,120.51

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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.