Home / 19,764.48-27,277.32-11,150.88

Finding the Fourth Proportional to 19,764.48, 27,277.32 and 11,150.88

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Solution

The fourth proportional to 19,764.48, 27,277.32 and 11,150.88 is: 15,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.48 : 27,277.32 = 11,150.88 : x
  2. Step 2: Convert to fraction form
    19,764.48/27,277.32 = 11,150.88/x
  3. Step 3: Cross multiply
    19,764.48x = 27,277.32 × 11,150.88
  4. Step 4: Simplify right side
    19,764.48x = 304,166,122.04
  5. Step 5: Solve for x
    x = 304,166,122.04/19,764.48
  6. Step 6: Final answer
    x = 15,389.53

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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.