Home / 19,849.48-29,788.56-7,371.28

Finding the Fourth Proportional to 19,849.48, 29,788.56 and 7,371.28

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Solution

The fourth proportional to 19,849.48, 29,788.56 and 7,371.28 is: 11,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.48 : 29,788.56 = 7,371.28 : x
  2. Step 2: Convert to fraction form
    19,849.48/29,788.56 = 7,371.28/x
  3. Step 3: Cross multiply
    19,849.48x = 29,788.56 × 7,371.28
  4. Step 4: Simplify right side
    19,849.48x = 219,579,816.56
  5. Step 5: Solve for x
    x = 219,579,816.56/19,849.48
  6. Step 6: Final answer
    x = 11,062.25

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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.