Home / 19,692.36-27,175.86-11,308.68

Finding the Fourth Proportional to 19,692.36, 27,175.86 and 11,308.68

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Solution

The fourth proportional to 19,692.36, 27,175.86 and 11,308.68 is: 15,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.36 : 27,175.86 = 11,308.68 : x
  2. Step 2: Convert to fraction form
    19,692.36/27,175.86 = 11,308.68/x
  3. Step 3: Cross multiply
    19,692.36x = 27,175.86 × 11,308.68
  4. Step 4: Simplify right side
    19,692.36x = 307,323,104.46
  5. Step 5: Solve for x
    x = 307,323,104.46/19,692.36
  6. Step 6: Final answer
    x = 15,606.21

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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.