Home / 15,936.30-21,992.63-8,766.52

Finding the Fourth Proportional to 15,936.30, 21,992.63 and 8,766.52

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Solution

The fourth proportional to 15,936.30, 21,992.63 and 8,766.52 is: 12,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.30 : 21,992.63 = 8,766.52 : x
  2. Step 2: Convert to fraction form
    15,936.30/21,992.63 = 8,766.52/x
  3. Step 3: Cross multiply
    15,936.30x = 21,992.63 × 8,766.52
  4. Step 4: Simplify right side
    15,936.30x = 192,798,852.66
  5. Step 5: Solve for x
    x = 192,798,852.66/15,936.30
  6. Step 6: Final answer
    x = 12,098.09

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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.