Home / 12,726.03-19,057.20-8,031.87

Finding the Fourth Proportional to 12,726.03, 19,057.20 and 8,031.87

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Solution

The fourth proportional to 12,726.03, 19,057.20 and 8,031.87 is: 12,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.03 : 19,057.20 = 8,031.87 : x
  2. Step 2: Convert to fraction form
    12,726.03/19,057.20 = 8,031.87/x
  3. Step 3: Cross multiply
    12,726.03x = 19,057.20 × 8,031.87
  4. Step 4: Simplify right side
    12,726.03x = 153,064,952.96
  5. Step 5: Solve for x
    x = 153,064,952.96/12,726.03
  6. Step 6: Final answer
    x = 12,027.71

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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.