Home / 19,692.41-27,177.14-11,197.20

Finding the Fourth Proportional to 19,692.41, 27,177.14 and 11,197.20

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Solution

The fourth proportional to 19,692.41, 27,177.14 and 11,197.20 is: 15,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.41 : 27,177.14 = 11,197.20 : x
  2. Step 2: Convert to fraction form
    19,692.41/27,177.14 = 11,197.20/x
  3. Step 3: Cross multiply
    19,692.41x = 27,177.14 × 11,197.20
  4. Step 4: Simplify right side
    19,692.41x = 304,307,872.01
  5. Step 5: Solve for x
    x = 304,307,872.01/19,692.41
  6. Step 6: Final answer
    x = 15,453.05

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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.