Home / 19,979.62-27,571.50-11,026.60

Finding the Fourth Proportional to 19,979.62, 27,571.50 and 11,026.60

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Solution

The fourth proportional to 19,979.62, 27,571.50 and 11,026.60 is: 15,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.62 : 27,571.50 = 11,026.60 : x
  2. Step 2: Convert to fraction form
    19,979.62/27,571.50 = 11,026.60/x
  3. Step 3: Cross multiply
    19,979.62x = 27,571.50 × 11,026.60
  4. Step 4: Simplify right side
    19,979.62x = 304,019,901.90
  5. Step 5: Solve for x
    x = 304,019,901.90/19,979.62
  6. Step 6: Final answer
    x = 15,216.50

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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.