Home / 19,857.22-27,402.96-11,473.72

Finding the Fourth Proportional to 19,857.22, 27,402.96 and 11,473.72

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Solution

The fourth proportional to 19,857.22, 27,402.96 and 11,473.72 is: 15,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.22 : 27,402.96 = 11,473.72 : x
  2. Step 2: Convert to fraction form
    19,857.22/27,402.96 = 11,473.72/x
  3. Step 3: Cross multiply
    19,857.22x = 27,402.96 × 11,473.72
  4. Step 4: Simplify right side
    19,857.22x = 314,413,890.21
  5. Step 5: Solve for x
    x = 314,413,890.21/19,857.22
  6. Step 6: Final answer
    x = 15,833.73

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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.