Home / 20,056.32-27,677.39-11,103.63

Finding the Fourth Proportional to 20,056.32, 27,677.39 and 11,103.63

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Solution

The fourth proportional to 20,056.32, 27,677.39 and 11,103.63 is: 15,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.32 : 27,677.39 = 11,103.63 : x
  2. Step 2: Convert to fraction form
    20,056.32/27,677.39 = 11,103.63/x
  3. Step 3: Cross multiply
    20,056.32x = 27,677.39 × 11,103.63
  4. Step 4: Simplify right side
    20,056.32x = 307,319,497.93
  5. Step 5: Solve for x
    x = 307,319,497.93/20,056.32
  6. Step 6: Final answer
    x = 15,322.83

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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.