Home / 14,086.38-19,440.16-8,118.44

Finding the Fourth Proportional to 14,086.38, 19,440.16 and 8,118.44

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Solution

The fourth proportional to 14,086.38, 19,440.16 and 8,118.44 is: 11,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.38 : 19,440.16 = 8,118.44 : x
  2. Step 2: Convert to fraction form
    14,086.38/19,440.16 = 8,118.44/x
  3. Step 3: Cross multiply
    14,086.38x = 19,440.16 × 8,118.44
  4. Step 4: Simplify right side
    14,086.38x = 157,823,727.95
  5. Step 5: Solve for x
    x = 157,823,727.95/14,086.38
  6. Step 6: Final answer
    x = 11,203.99

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Half scale
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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.