Home / 20,252.06-27,948.51-11,753.54

Finding the Fourth Proportional to 20,252.06, 27,948.51 and 11,753.54

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Solution

The fourth proportional to 20,252.06, 27,948.51 and 11,753.54 is: 16,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.06 : 27,948.51 = 11,753.54 : x
  2. Step 2: Convert to fraction form
    20,252.06/27,948.51 = 11,753.54/x
  3. Step 3: Cross multiply
    20,252.06x = 27,948.51 × 11,753.54
  4. Step 4: Simplify right side
    20,252.06x = 328,493,930.23
  5. Step 5: Solve for x
    x = 328,493,930.23/20,252.06
  6. Step 6: Final answer
    x = 16,220.27

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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.