Home / 20,063.12-27,685.92-11,110.12

Finding the Fourth Proportional to 20,063.12, 27,685.92 and 11,110.12

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Solution

The fourth proportional to 20,063.12, 27,685.92 and 11,110.12 is: 15,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.12 : 27,685.92 = 11,110.12 : x
  2. Step 2: Convert to fraction form
    20,063.12/27,685.92 = 11,110.12/x
  3. Step 3: Cross multiply
    20,063.12x = 27,685.92 × 11,110.12
  4. Step 4: Simplify right side
    20,063.12x = 307,593,893.51
  5. Step 5: Solve for x
    x = 307,593,893.51/20,063.12
  6. Step 6: Final answer
    x = 15,331.31

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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.