Home / 19,726.61-27,223.38-11,229.98

Finding the Fourth Proportional to 19,726.61, 27,223.38 and 11,229.98

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Solution

The fourth proportional to 19,726.61, 27,223.38 and 11,229.98 is: 15,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.61 : 27,223.38 = 11,229.98 : x
  2. Step 2: Convert to fraction form
    19,726.61/27,223.38 = 11,229.98/x
  3. Step 3: Cross multiply
    19,726.61x = 27,223.38 × 11,229.98
  4. Step 4: Simplify right side
    19,726.61x = 305,717,876.82
  5. Step 5: Solve for x
    x = 305,717,876.82/19,726.61
  6. Step 6: Final answer
    x = 15,497.74

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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.