Home / 19,731.78-29,592.12-5,497.02

Finding the Fourth Proportional to 19,731.78, 29,592.12 and 5,497.02

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Solution

The fourth proportional to 19,731.78, 29,592.12 and 5,497.02 is: 8,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.78 : 29,592.12 = 5,497.02 : x
  2. Step 2: Convert to fraction form
    19,731.78/29,592.12 = 5,497.02/x
  3. Step 3: Cross multiply
    19,731.78x = 29,592.12 × 5,497.02
  4. Step 4: Simplify right side
    19,731.78x = 162,668,475.48
  5. Step 5: Solve for x
    x = 162,668,475.48/19,731.78
  6. Step 6: Final answer
    x = 8,243.98

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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.