Home / 19,192.38-28,751.64-11,775.18

Finding the Fourth Proportional to 19,192.38, 28,751.64 and 11,775.18

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Solution

The fourth proportional to 19,192.38, 28,751.64 and 11,775.18 is: 17,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.38 : 28,751.64 = 11,775.18 : x
  2. Step 2: Convert to fraction form
    19,192.38/28,751.64 = 11,775.18/x
  3. Step 3: Cross multiply
    19,192.38x = 28,751.64 × 11,775.18
  4. Step 4: Simplify right side
    19,192.38x = 338,555,736.30
  5. Step 5: Solve for x
    x = 338,555,736.30/19,192.38
  6. Step 6: Final answer
    x = 17,640.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.