Home / 19,731.74-29,586.60-8,031.29

Finding the Fourth Proportional to 19,731.74, 29,586.60 and 8,031.29

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Solution

The fourth proportional to 19,731.74, 29,586.60 and 8,031.29 is: 12,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.74 : 29,586.60 = 8,031.29 : x
  2. Step 2: Convert to fraction form
    19,731.74/29,586.60 = 8,031.29/x
  3. Step 3: Cross multiply
    19,731.74x = 29,586.60 × 8,031.29
  4. Step 4: Simplify right side
    19,731.74x = 237,618,416.78
  5. Step 5: Solve for x
    x = 237,618,416.78/19,731.74
  6. Step 6: Final answer
    x = 12,042.45

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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.