Home / 19,961.96-27,549.44-14,917.42

Finding the Fourth Proportional to 19,961.96, 27,549.44 and 14,917.42

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Solution

The fourth proportional to 19,961.96, 27,549.44 and 14,917.42 is: 20,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.96 : 27,549.44 = 14,917.42 : x
  2. Step 2: Convert to fraction form
    19,961.96/27,549.44 = 14,917.42/x
  3. Step 3: Cross multiply
    19,961.96x = 27,549.44 × 14,917.42
  4. Step 4: Simplify right side
    19,961.96x = 410,966,511.98
  5. Step 5: Solve for x
    x = 410,966,511.98/19,961.96
  6. Step 6: Final answer
    x = 20,587.49

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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.