Home / 19,671.27-29,531.64-15,771.15

Finding the Fourth Proportional to 19,671.27, 29,531.64 and 15,771.15

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Solution

The fourth proportional to 19,671.27, 29,531.64 and 15,771.15 is: 23,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.27 : 29,531.64 = 15,771.15 : x
  2. Step 2: Convert to fraction form
    19,671.27/29,531.64 = 15,771.15/x
  3. Step 3: Cross multiply
    19,671.27x = 29,531.64 × 15,771.15
  4. Step 4: Simplify right side
    19,671.27x = 465,747,924.19
  5. Step 5: Solve for x
    x = 465,747,924.19/19,671.27
  6. Step 6: Final answer
    x = 23,676.56

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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.