Home / 19,372.88-29,055.48-5,329.31

Finding the Fourth Proportional to 19,372.88, 29,055.48 and 5,329.31

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Solution

The fourth proportional to 19,372.88, 29,055.48 and 5,329.31 is: 7,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.88 : 29,055.48 = 5,329.31 : x
  2. Step 2: Convert to fraction form
    19,372.88/29,055.48 = 5,329.31/x
  3. Step 3: Cross multiply
    19,372.88x = 29,055.48 × 5,329.31
  4. Step 4: Simplify right side
    19,372.88x = 154,845,514.84
  5. Step 5: Solve for x
    x = 154,845,514.84/19,372.88
  6. Step 6: Final answer
    x = 7,992.90

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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.