Home / 19,736.57-27,244.25-12,185.95

Finding the Fourth Proportional to 19,736.57, 27,244.25 and 12,185.95

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Solution

The fourth proportional to 19,736.57, 27,244.25 and 12,185.95 is: 16,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.57 : 27,244.25 = 12,185.95 : x
  2. Step 2: Convert to fraction form
    19,736.57/27,244.25 = 12,185.95/x
  3. Step 3: Cross multiply
    19,736.57x = 27,244.25 × 12,185.95
  4. Step 4: Simplify right side
    19,736.57x = 331,997,068.29
  5. Step 5: Solve for x
    x = 331,997,068.29/19,736.57
  6. Step 6: Final answer
    x = 16,821.42

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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.