Home / 20,063.57-27,687.35-11,111.04

Finding the Fourth Proportional to 20,063.57, 27,687.35 and 11,111.04

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Solution

The fourth proportional to 20,063.57, 27,687.35 and 11,111.04 is: 15,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.57 : 27,687.35 = 11,111.04 : x
  2. Step 2: Convert to fraction form
    20,063.57/27,687.35 = 11,111.04/x
  3. Step 3: Cross multiply
    20,063.57x = 27,687.35 × 11,111.04
  4. Step 4: Simplify right side
    20,063.57x = 307,635,197.79
  5. Step 5: Solve for x
    x = 307,635,197.79/20,063.57
  6. Step 6: Final answer
    x = 15,333.03

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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.