Home / 19,961.24-27,551.31-12,001.92

Finding the Fourth Proportional to 19,961.24, 27,551.31 and 12,001.92

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Solution

The fourth proportional to 19,961.24, 27,551.31 and 12,001.92 is: 16,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.24 : 27,551.31 = 12,001.92 : x
  2. Step 2: Convert to fraction form
    19,961.24/27,551.31 = 12,001.92/x
  3. Step 3: Cross multiply
    19,961.24x = 27,551.31 × 12,001.92
  4. Step 4: Simplify right side
    19,961.24x = 330,668,726.43
  5. Step 5: Solve for x
    x = 330,668,726.43/19,961.24
  6. Step 6: Final answer
    x = 16,565.54

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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.