Home / 19,581.52-27,044.32-13,282.96

Finding the Fourth Proportional to 19,581.52, 27,044.32 and 13,282.96

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Solution

The fourth proportional to 19,581.52, 27,044.32 and 13,282.96 is: 18,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.52 : 27,044.32 = 13,282.96 : x
  2. Step 2: Convert to fraction form
    19,581.52/27,044.32 = 13,282.96/x
  3. Step 3: Cross multiply
    19,581.52x = 27,044.32 × 13,282.96
  4. Step 4: Simplify right side
    19,581.52x = 359,228,620.79
  5. Step 5: Solve for x
    x = 359,228,620.79/19,581.52
  6. Step 6: Final answer
    x = 18,345.29

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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.