Home / 20,056.23-27,677.82-11,103.88

Finding the Fourth Proportional to 20,056.23, 27,677.82 and 11,103.88

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Solution

The fourth proportional to 20,056.23, 27,677.82 and 11,103.88 is: 15,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.23 : 27,677.82 = 11,103.88 : x
  2. Step 2: Convert to fraction form
    20,056.23/27,677.82 = 11,103.88/x
  3. Step 3: Cross multiply
    20,056.23x = 27,677.82 × 11,103.88
  4. Step 4: Simplify right side
    20,056.23x = 307,331,136.42
  5. Step 5: Solve for x
    x = 307,331,136.42/20,056.23
  6. Step 6: Final answer
    x = 15,323.47

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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.