Home / 16,112.09-22,234.63-8,943.10

Finding the Fourth Proportional to 16,112.09, 22,234.63 and 8,943.10

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Solution

The fourth proportional to 16,112.09, 22,234.63 and 8,943.10 is: 12,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.09 : 22,234.63 = 8,943.10 : x
  2. Step 2: Convert to fraction form
    16,112.09/22,234.63 = 8,943.10/x
  3. Step 3: Cross multiply
    16,112.09x = 22,234.63 × 8,943.10
  4. Step 4: Simplify right side
    16,112.09x = 198,846,519.55
  5. Step 5: Solve for x
    x = 198,846,519.55/16,112.09
  6. Step 6: Final answer
    x = 12,341.45

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Double scale
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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.