Home / 20,093.17-27,726.71-11,140.51

Finding the Fourth Proportional to 20,093.17, 27,726.71 and 11,140.51

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Solution

The fourth proportional to 20,093.17, 27,726.71 and 11,140.51 is: 15,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.17 : 27,726.71 = 11,140.51 : x
  2. Step 2: Convert to fraction form
    20,093.17/27,726.71 = 11,140.51/x
  3. Step 3: Cross multiply
    20,093.17x = 27,726.71 × 11,140.51
  4. Step 4: Simplify right side
    20,093.17x = 308,889,648.56
  5. Step 5: Solve for x
    x = 308,889,648.56/20,093.17
  6. Step 6: Final answer
    x = 15,372.87

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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.