Home / 19,928.06-27,499.91-11,424.27

Finding the Fourth Proportional to 19,928.06, 27,499.91 and 11,424.27

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Solution

The fourth proportional to 19,928.06, 27,499.91 and 11,424.27 is: 15,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.06 : 27,499.91 = 11,424.27 : x
  2. Step 2: Convert to fraction form
    19,928.06/27,499.91 = 11,424.27/x
  3. Step 3: Cross multiply
    19,928.06x = 27,499.91 × 11,424.27
  4. Step 4: Simplify right side
    19,928.06x = 314,166,442.82
  5. Step 5: Solve for x
    x = 314,166,442.82/19,928.06
  6. Step 6: Final answer
    x = 15,765.03

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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.