Home / 13,929.30-20,896.65-6,031.80

Finding the Fourth Proportional to 13,929.30, 20,896.65 and 6,031.80

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Solution

The fourth proportional to 13,929.30, 20,896.65 and 6,031.80 is: 9,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.30 : 20,896.65 = 6,031.80 : x
  2. Step 2: Convert to fraction form
    13,929.30/20,896.65 = 6,031.80/x
  3. Step 3: Cross multiply
    13,929.30x = 20,896.65 × 6,031.80
  4. Step 4: Simplify right side
    13,929.30x = 126,044,413.47
  5. Step 5: Solve for x
    x = 126,044,413.47/13,929.30
  6. Step 6: Final answer
    x = 9,048.87

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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.