Home / 20,167.41-27,826.95-11,782.29

Finding the Fourth Proportional to 20,167.41, 27,826.95 and 11,782.29

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Solution

The fourth proportional to 20,167.41, 27,826.95 and 11,782.29 is: 16,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.41 : 27,826.95 = 11,782.29 : x
  2. Step 2: Convert to fraction form
    20,167.41/27,826.95 = 11,782.29/x
  3. Step 3: Cross multiply
    20,167.41x = 27,826.95 × 11,782.29
  4. Step 4: Simplify right side
    20,167.41x = 327,865,194.72
  5. Step 5: Solve for x
    x = 327,865,194.72/20,167.41
  6. Step 6: Final answer
    x = 16,257.18

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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.