Home / 19,675.69-27,151.13-11,179.60

Finding the Fourth Proportional to 19,675.69, 27,151.13 and 11,179.60

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Solution

The fourth proportional to 19,675.69, 27,151.13 and 11,179.60 is: 15,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.69 : 27,151.13 = 11,179.60 : x
  2. Step 2: Convert to fraction form
    19,675.69/27,151.13 = 11,179.60/x
  3. Step 3: Cross multiply
    19,675.69x = 27,151.13 × 11,179.60
  4. Step 4: Simplify right side
    19,675.69x = 303,538,581.29
  5. Step 5: Solve for x
    x = 303,538,581.29/19,675.69
  6. Step 6: Final answer
    x = 15,427.09

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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.