Home / 16,712.69-25,031.91-11,959.98

Finding the Fourth Proportional to 16,712.69, 25,031.91 and 11,959.98

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Solution

The fourth proportional to 16,712.69, 25,031.91 and 11,959.98 is: 17,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.69 : 25,031.91 = 11,959.98 : x
  2. Step 2: Convert to fraction form
    16,712.69/25,031.91 = 11,959.98/x
  3. Step 3: Cross multiply
    16,712.69x = 25,031.91 × 11,959.98
  4. Step 4: Simplify right side
    16,712.69x = 299,381,142.96
  5. Step 5: Solve for x
    x = 299,381,142.96/16,712.69
  6. Step 6: Final answer
    x = 17,913.41

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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.