Home / 19,781.10-29,673.47-6,634.66

Finding the Fourth Proportional to 19,781.10, 29,673.47 and 6,634.66

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Solution

The fourth proportional to 19,781.10, 29,673.47 and 6,634.66 is: 9,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.10 : 29,673.47 = 6,634.66 : x
  2. Step 2: Convert to fraction form
    19,781.10/29,673.47 = 6,634.66/x
  3. Step 3: Cross multiply
    19,781.10x = 29,673.47 × 6,634.66
  4. Step 4: Simplify right side
    19,781.10x = 196,873,384.47
  5. Step 5: Solve for x
    x = 196,873,384.47/19,781.10
  6. Step 6: Final answer
    x = 9,952.60

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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.