Home / 19,949.30-27,528.93-10,996.79

Finding the Fourth Proportional to 19,949.30, 27,528.93 and 10,996.79

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Solution

The fourth proportional to 19,949.30, 27,528.93 and 10,996.79 is: 15,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.30 : 27,528.93 = 10,996.79 : x
  2. Step 2: Convert to fraction form
    19,949.30/27,528.93 = 10,996.79/x
  3. Step 3: Cross multiply
    19,949.30x = 27,528.93 × 10,996.79
  4. Step 4: Simplify right side
    19,949.30x = 302,729,862.13
  5. Step 5: Solve for x
    x = 302,729,862.13/19,949.30
  6. Step 6: Final answer
    x = 15,174.96

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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.