Home / 19,956.96-27,542.45-11,460.20

Finding the Fourth Proportional to 19,956.96, 27,542.45 and 11,460.20

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Solution

The fourth proportional to 19,956.96, 27,542.45 and 11,460.20 is: 15,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.96 : 27,542.45 = 11,460.20 : x
  2. Step 2: Convert to fraction form
    19,956.96/27,542.45 = 11,460.20/x
  3. Step 3: Cross multiply
    19,956.96x = 27,542.45 × 11,460.20
  4. Step 4: Simplify right side
    19,956.96x = 315,641,876.43
  5. Step 5: Solve for x
    x = 315,641,876.43/19,956.96
  6. Step 6: Final answer
    x = 15,816.13

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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.