Home / 20,092.26-27,726.54-11,139.92

Finding the Fourth Proportional to 20,092.26, 27,726.54 and 11,139.92

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Solution

The fourth proportional to 20,092.26, 27,726.54 and 11,139.92 is: 15,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.26 : 27,726.54 = 11,139.92 : x
  2. Step 2: Convert to fraction form
    20,092.26/27,726.54 = 11,139.92/x
  3. Step 3: Cross multiply
    20,092.26x = 27,726.54 × 11,139.92
  4. Step 4: Simplify right side
    20,092.26x = 308,871,437.48
  5. Step 5: Solve for x
    x = 308,871,437.48/20,092.26
  6. Step 6: Final answer
    x = 15,372.66

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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.