Home / 14,490.38-19,996.98-8,116.92

Finding the Fourth Proportional to 14,490.38, 19,996.98 and 8,116.92

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Solution

The fourth proportional to 14,490.38, 19,996.98 and 8,116.92 is: 11,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.38 : 19,996.98 = 8,116.92 : x
  2. Step 2: Convert to fraction form
    14,490.38/19,996.98 = 8,116.92/x
  3. Step 3: Cross multiply
    14,490.38x = 19,996.98 × 8,116.92
  4. Step 4: Simplify right side
    14,490.38x = 162,313,886.90
  5. Step 5: Solve for x
    x = 162,313,886.90/14,490.38
  6. Step 6: Final answer
    x = 11,201.49

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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.