Home / 14,051.97-19,390.86-8,383.05

Finding the Fourth Proportional to 14,051.97, 19,390.86 and 8,383.05

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Solution

The fourth proportional to 14,051.97, 19,390.86 and 8,383.05 is: 11,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.97 : 19,390.86 = 8,383.05 : x
  2. Step 2: Convert to fraction form
    14,051.97/19,390.86 = 8,383.05/x
  3. Step 3: Cross multiply
    14,051.97x = 19,390.86 × 8,383.05
  4. Step 4: Simplify right side
    14,051.97x = 162,554,548.92
  5. Step 5: Solve for x
    x = 162,554,548.92/14,051.97
  6. Step 6: Final answer
    x = 11,568.10

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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.