Home / 19,822.88-29,749.28-7,350.48

Finding the Fourth Proportional to 19,822.88, 29,749.28 and 7,350.48

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Solution

The fourth proportional to 19,822.88, 29,749.28 and 7,350.48 is: 11,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.88 : 29,749.28 = 7,350.48 : x
  2. Step 2: Convert to fraction form
    19,822.88/29,749.28 = 7,350.48/x
  3. Step 3: Cross multiply
    19,822.88x = 29,749.28 × 7,350.48
  4. Step 4: Simplify right side
    19,822.88x = 218,671,487.65
  5. Step 5: Solve for x
    x = 218,671,487.65/19,822.88
  6. Step 6: Final answer
    x = 11,031.27

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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.