Home / 19,702.43-27,189.66-11,204.33

Finding the Fourth Proportional to 19,702.43, 27,189.66 and 11,204.33

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Solution

The fourth proportional to 19,702.43, 27,189.66 and 11,204.33 is: 15,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.43 : 27,189.66 = 11,204.33 : x
  2. Step 2: Convert to fraction form
    19,702.43/27,189.66 = 11,204.33/x
  3. Step 3: Cross multiply
    19,702.43x = 27,189.66 × 11,204.33
  4. Step 4: Simplify right side
    19,702.43x = 304,641,923.23
  5. Step 5: Solve for x
    x = 304,641,923.23/19,702.43
  6. Step 6: Final answer
    x = 15,462.15

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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.