Home / 15,976.41-22,039.05-12,192.98

Finding the Fourth Proportional to 15,976.41, 22,039.05 and 12,192.98

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Solution

The fourth proportional to 15,976.41, 22,039.05 and 12,192.98 is: 16,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.41 : 22,039.05 = 12,192.98 : x
  2. Step 2: Convert to fraction form
    15,976.41/22,039.05 = 12,192.98/x
  3. Step 3: Cross multiply
    15,976.41x = 22,039.05 × 12,192.98
  4. Step 4: Simplify right side
    15,976.41x = 268,721,755.37
  5. Step 5: Solve for x
    x = 268,721,755.37/15,976.41
  6. Step 6: Final answer
    x = 16,819.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.