Home / 20,060.10-27,683.96-11,108.59

Finding the Fourth Proportional to 20,060.10, 27,683.96 and 11,108.59

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Solution

The fourth proportional to 20,060.10, 27,683.96 and 11,108.59 is: 15,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.10 : 27,683.96 = 11,108.59 : x
  2. Step 2: Convert to fraction form
    20,060.10/27,683.96 = 11,108.59/x
  3. Step 3: Cross multiply
    20,060.10x = 27,683.96 × 11,108.59
  4. Step 4: Simplify right side
    20,060.10x = 307,529,761.22
  5. Step 5: Solve for x
    x = 307,529,761.22/20,060.10
  6. Step 6: Final answer
    x = 15,330.42

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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.