Home / 19,393.76-29,092.32-5,353.79

Finding the Fourth Proportional to 19,393.76, 29,092.32 and 5,353.79

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Solution

The fourth proportional to 19,393.76, 29,092.32 and 5,353.79 is: 8,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.76 : 29,092.32 = 5,353.79 : x
  2. Step 2: Convert to fraction form
    19,393.76/29,092.32 = 5,353.79/x
  3. Step 3: Cross multiply
    19,393.76x = 29,092.32 × 5,353.79
  4. Step 4: Simplify right side
    19,393.76x = 155,754,171.89
  5. Step 5: Solve for x
    x = 155,754,171.89/19,393.76
  6. Step 6: Final answer
    x = 8,031.15

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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.