Home / 19,922.36-29,894.87-7,451.06

Finding the Fourth Proportional to 19,922.36, 29,894.87 and 7,451.06

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Solution

The fourth proportional to 19,922.36, 29,894.87 and 7,451.06 is: 11,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.36 : 29,894.87 = 7,451.06 : x
  2. Step 2: Convert to fraction form
    19,922.36/29,894.87 = 7,451.06/x
  3. Step 3: Cross multiply
    19,922.36x = 29,894.87 × 7,451.06
  4. Step 4: Simplify right side
    19,922.36x = 222,748,339.22
  5. Step 5: Solve for x
    x = 222,748,339.22/19,922.36
  6. Step 6: Final answer
    x = 11,180.82

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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.