Home / 19,734.31-27,231.96-12,177.91

Finding the Fourth Proportional to 19,734.31, 27,231.96 and 12,177.91

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Solution

The fourth proportional to 19,734.31, 27,231.96 and 12,177.91 is: 16,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.31 : 27,231.96 = 12,177.91 : x
  2. Step 2: Convert to fraction form
    19,734.31/27,231.96 = 12,177.91/x
  3. Step 3: Cross multiply
    19,734.31x = 27,231.96 × 12,177.91
  4. Step 4: Simplify right side
    19,734.31x = 331,628,358.00
  5. Step 5: Solve for x
    x = 331,628,358.00/19,734.31
  6. Step 6: Final answer
    x = 16,804.66

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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.