Home / 20,053.98-27,673.11-11,101.05

Finding the Fourth Proportional to 20,053.98, 27,673.11 and 11,101.05

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Solution

The fourth proportional to 20,053.98, 27,673.11 and 11,101.05 is: 15,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.98 : 27,673.11 = 11,101.05 : x
  2. Step 2: Convert to fraction form
    20,053.98/27,673.11 = 11,101.05/x
  3. Step 3: Cross multiply
    20,053.98x = 27,673.11 × 11,101.05
  4. Step 4: Simplify right side
    20,053.98x = 307,200,577.77
  5. Step 5: Solve for x
    x = 307,200,577.77/20,053.98
  6. Step 6: Final answer
    x = 15,318.68

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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.