Home / 20,252.18-27,745.64-19,494.77

Finding the Fourth Proportional to 20,252.18, 27,745.64 and 19,494.77

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Solution

The fourth proportional to 20,252.18, 27,745.64 and 19,494.77 is: 26,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.18 : 27,745.64 = 19,494.77 : x
  2. Step 2: Convert to fraction form
    20,252.18/27,745.64 = 19,494.77/x
  3. Step 3: Cross multiply
    20,252.18x = 27,745.64 × 19,494.77
  4. Step 4: Simplify right side
    20,252.18x = 540,894,780.31
  5. Step 5: Solve for x
    x = 540,894,780.31/20,252.18
  6. Step 6: Final answer
    x = 26,707.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.