Home / 19,701.82-27,187.39-11,202.76

Finding the Fourth Proportional to 19,701.82, 27,187.39 and 11,202.76

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Solution

The fourth proportional to 19,701.82, 27,187.39 and 11,202.76 is: 15,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.82 : 27,187.39 = 11,202.76 : x
  2. Step 2: Convert to fraction form
    19,701.82/27,187.39 = 11,202.76/x
  3. Step 3: Cross multiply
    19,701.82x = 27,187.39 × 11,202.76
  4. Step 4: Simplify right side
    19,701.82x = 304,573,805.20
  5. Step 5: Solve for x
    x = 304,573,805.20/19,701.82
  6. Step 6: Final answer
    x = 15,459.17

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Half scale
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Double scale
Find fourth proportional to 19,702.82, 27,188.77 and 11,203.76
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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.