Home / 19,497.47-29,221.97-8,956.31

Finding the Fourth Proportional to 19,497.47, 29,221.97 and 8,956.31

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Solution

The fourth proportional to 19,497.47, 29,221.97 and 8,956.31 is: 13,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.47 : 29,221.97 = 8,956.31 : x
  2. Step 2: Convert to fraction form
    19,497.47/29,221.97 = 8,956.31/x
  3. Step 3: Cross multiply
    19,497.47x = 29,221.97 × 8,956.31
  4. Step 4: Simplify right side
    19,497.47x = 261,721,022.13
  5. Step 5: Solve for x
    x = 261,721,022.13/19,497.47
  6. Step 6: Final answer
    x = 13,423.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.