Home / 19,979.46-27,571.19-11,026.98

Finding the Fourth Proportional to 19,979.46, 27,571.19 and 11,026.98

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Solution

The fourth proportional to 19,979.46, 27,571.19 and 11,026.98 is: 15,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.46 : 27,571.19 = 11,026.98 : x
  2. Step 2: Convert to fraction form
    19,979.46/27,571.19 = 11,026.98/x
  3. Step 3: Cross multiply
    19,979.46x = 27,571.19 × 11,026.98
  4. Step 4: Simplify right side
    19,979.46x = 304,026,905.57
  5. Step 5: Solve for x
    x = 304,026,905.57/19,979.46
  6. Step 6: Final answer
    x = 15,216.97

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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.