Home / 19,982.53-27,572.75-11,483.01

Finding the Fourth Proportional to 19,982.53, 27,572.75 and 11,483.01

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Solution

The fourth proportional to 19,982.53, 27,572.75 and 11,483.01 is: 15,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.53 : 27,572.75 = 11,483.01 : x
  2. Step 2: Convert to fraction form
    19,982.53/27,572.75 = 11,483.01/x
  3. Step 3: Cross multiply
    19,982.53x = 27,572.75 × 11,483.01
  4. Step 4: Simplify right side
    19,982.53x = 316,618,149.62
  5. Step 5: Solve for x
    x = 316,618,149.62/19,982.53
  6. Step 6: Final answer
    x = 15,844.75

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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.