Home / 20,056.21-27,677.70-11,104.29

Finding the Fourth Proportional to 20,056.21, 27,677.70 and 11,104.29

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Solution

The fourth proportional to 20,056.21, 27,677.70 and 11,104.29 is: 15,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.21 : 27,677.70 = 11,104.29 : x
  2. Step 2: Convert to fraction form
    20,056.21/27,677.70 = 11,104.29/x
  3. Step 3: Cross multiply
    20,056.21x = 27,677.70 × 11,104.29
  4. Step 4: Simplify right side
    20,056.21x = 307,341,207.33
  5. Step 5: Solve for x
    x = 307,341,207.33/20,056.21
  6. Step 6: Final answer
    x = 15,323.99

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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.