Home / 19,927.52-27,500.07-11,429.97

Finding the Fourth Proportional to 19,927.52, 27,500.07 and 11,429.97

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Solution

The fourth proportional to 19,927.52, 27,500.07 and 11,429.97 is: 15,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.52 : 27,500.07 = 11,429.97 : x
  2. Step 2: Convert to fraction form
    19,927.52/27,500.07 = 11,429.97/x
  3. Step 3: Cross multiply
    19,927.52x = 27,500.07 × 11,429.97
  4. Step 4: Simplify right side
    19,927.52x = 314,324,975.10
  5. Step 5: Solve for x
    x = 314,324,975.10/19,927.52
  6. Step 6: Final answer
    x = 15,773.42

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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.