Home / 19,765.48-27,273.38-12,692.84

Finding the Fourth Proportional to 19,765.48, 27,273.38 and 12,692.84

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Solution

The fourth proportional to 19,765.48, 27,273.38 and 12,692.84 is: 17,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.48 : 27,273.38 = 12,692.84 : x
  2. Step 2: Convert to fraction form
    19,765.48/27,273.38 = 12,692.84/x
  3. Step 3: Cross multiply
    19,765.48x = 27,273.38 × 12,692.84
  4. Step 4: Simplify right side
    19,765.48x = 346,176,648.60
  5. Step 5: Solve for x
    x = 346,176,648.60/19,765.48
  6. Step 6: Final answer
    x = 17,514.20

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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.