Home / 19,671.08-27,144.77-11,604.31

Finding the Fourth Proportional to 19,671.08, 27,144.77 and 11,604.31

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Solution

The fourth proportional to 19,671.08, 27,144.77 and 11,604.31 is: 16,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.08 : 27,144.77 = 11,604.31 : x
  2. Step 2: Convert to fraction form
    19,671.08/27,144.77 = 11,604.31/x
  3. Step 3: Cross multiply
    19,671.08x = 27,144.77 × 11,604.31
  4. Step 4: Simplify right side
    19,671.08x = 314,996,418.04
  5. Step 5: Solve for x
    x = 314,996,418.04/19,671.08
  6. Step 6: Final answer
    x = 16,013.18

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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.