Home / 20,063.16-27,686.24-11,109.96

Finding the Fourth Proportional to 20,063.16, 27,686.24 and 11,109.96

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Solution

The fourth proportional to 20,063.16, 27,686.24 and 11,109.96 is: 15,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.16 : 27,686.24 = 11,109.96 : x
  2. Step 2: Convert to fraction form
    20,063.16/27,686.24 = 11,109.96/x
  3. Step 3: Cross multiply
    20,063.16x = 27,686.24 × 11,109.96
  4. Step 4: Simplify right side
    20,063.16x = 307,593,005.06
  5. Step 5: Solve for x
    x = 307,593,005.06/20,063.16
  6. Step 6: Final answer
    x = 15,331.23

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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.