Home / 19,675.08-27,149.22-11,174.12

Finding the Fourth Proportional to 19,675.08, 27,149.22 and 11,174.12

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Solution

The fourth proportional to 19,675.08, 27,149.22 and 11,174.12 is: 15,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.08 : 27,149.22 = 11,174.12 : x
  2. Step 2: Convert to fraction form
    19,675.08/27,149.22 = 11,174.12/x
  3. Step 3: Cross multiply
    19,675.08x = 27,149.22 × 11,174.12
  4. Step 4: Simplify right side
    19,675.08x = 303,368,642.19
  5. Step 5: Solve for x
    x = 303,368,642.19/19,675.08
  6. Step 6: Final answer
    x = 15,418.93

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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.