Home / 19,754.31-27,260.97-11,256.06

Finding the Fourth Proportional to 19,754.31, 27,260.97 and 11,256.06

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Solution

The fourth proportional to 19,754.31, 27,260.97 and 11,256.06 is: 15,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.31 : 27,260.97 = 11,256.06 : x
  2. Step 2: Convert to fraction form
    19,754.31/27,260.97 = 11,256.06/x
  3. Step 3: Cross multiply
    19,754.31x = 27,260.97 × 11,256.06
  4. Step 4: Simplify right side
    19,754.31x = 306,851,113.98
  5. Step 5: Solve for x
    x = 306,851,113.98/19,754.31
  6. Step 6: Final answer
    x = 15,533.38

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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.