Home / 20,053.75-27,673.77-11,101.25

Finding the Fourth Proportional to 20,053.75, 27,673.77 and 11,101.25

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Solution

The fourth proportional to 20,053.75, 27,673.77 and 11,101.25 is: 15,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.75 : 27,673.77 = 11,101.25 : x
  2. Step 2: Convert to fraction form
    20,053.75/27,673.77 = 11,101.25/x
  3. Step 3: Cross multiply
    20,053.75x = 27,673.77 × 11,101.25
  4. Step 4: Simplify right side
    20,053.75x = 307,213,439.21
  5. Step 5: Solve for x
    x = 307,213,439.21/20,053.75
  6. Step 6: Final answer
    x = 15,319.50

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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.