Home / 20,213.74-27,692.92-19,456.18

Finding the Fourth Proportional to 20,213.74, 27,692.92 and 19,456.18

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Solution

The fourth proportional to 20,213.74, 27,692.92 and 19,456.18 is: 26,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.74 : 27,692.92 = 19,456.18 : x
  2. Step 2: Convert to fraction form
    20,213.74/27,692.92 = 19,456.18/x
  3. Step 3: Cross multiply
    20,213.74x = 27,692.92 × 19,456.18
  4. Step 4: Simplify right side
    20,213.74x = 538,798,436.25
  5. Step 5: Solve for x
    x = 538,798,436.25/20,213.74
  6. Step 6: Final answer
    x = 26,655.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.