Home / 19,726.62-27,221.69-10,772.37

Finding the Fourth Proportional to 19,726.62, 27,221.69 and 10,772.37

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Solution

The fourth proportional to 19,726.62, 27,221.69 and 10,772.37 is: 14,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.62 : 27,221.69 = 10,772.37 : x
  2. Step 2: Convert to fraction form
    19,726.62/27,221.69 = 10,772.37/x
  3. Step 3: Cross multiply
    19,726.62x = 27,221.69 × 10,772.37
  4. Step 4: Simplify right side
    19,726.62x = 293,242,062.84
  5. Step 5: Solve for x
    x = 293,242,062.84/19,726.62
  6. Step 6: Final answer
    x = 14,865.30

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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.