Home / 20,063.10-27,684.83-11,108.36

Finding the Fourth Proportional to 20,063.10, 27,684.83 and 11,108.36

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Solution

The fourth proportional to 20,063.10, 27,684.83 and 11,108.36 is: 15,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.10 : 27,684.83 = 11,108.36 : x
  2. Step 2: Convert to fraction form
    20,063.10/27,684.83 = 11,108.36/x
  3. Step 3: Cross multiply
    20,063.10x = 27,684.83 × 11,108.36
  4. Step 4: Simplify right side
    20,063.10x = 307,532,864.21
  5. Step 5: Solve for x
    x = 307,532,864.21/20,063.10
  6. Step 6: Final answer
    x = 15,328.28

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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.