Home / 19,732.62-27,231.50-10,780.02

Finding the Fourth Proportional to 19,732.62, 27,231.50 and 10,780.02

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Solution

The fourth proportional to 19,732.62, 27,231.50 and 10,780.02 is: 14,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.62 : 27,231.50 = 10,780.02 : x
  2. Step 2: Convert to fraction form
    19,732.62/27,231.50 = 10,780.02/x
  3. Step 3: Cross multiply
    19,732.62x = 27,231.50 × 10,780.02
  4. Step 4: Simplify right side
    19,732.62x = 293,556,114.63
  5. Step 5: Solve for x
    x = 293,556,114.63/19,732.62
  6. Step 6: Final answer
    x = 14,876.69

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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.