Home / 19,648.24-29,461.59-7,790

Finding the Fourth Proportional to 19,648.24, 29,461.59 and 7,790

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Solution

The fourth proportional to 19,648.24, 29,461.59 and 7,790 is: 11,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.24 : 29,461.59 = 7,790 : x
  2. Step 2: Convert to fraction form
    19,648.24/29,461.59 = 7,790/x
  3. Step 3: Cross multiply
    19,648.24x = 29,461.59 × 7,790
  4. Step 4: Simplify right side
    19,648.24x = 229,505,786.10
  5. Step 5: Solve for x
    x = 229,505,786.10/19,648.24
  6. Step 6: Final answer
    x = 11,680.73

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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.