Home / 19,671.83-27,147.24-11,714.39

Finding the Fourth Proportional to 19,671.83, 27,147.24 and 11,714.39

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Solution

The fourth proportional to 19,671.83, 27,147.24 and 11,714.39 is: 16,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.83 : 27,147.24 = 11,714.39 : x
  2. Step 2: Convert to fraction form
    19,671.83/27,147.24 = 11,714.39/x
  3. Step 3: Cross multiply
    19,671.83x = 27,147.24 × 11,714.39
  4. Step 4: Simplify right side
    19,671.83x = 318,013,356.78
  5. Step 5: Solve for x
    x = 318,013,356.78/19,671.83
  6. Step 6: Final answer
    x = 16,165.93

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1.5x scale

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.