Home / 20,166.05-27,829.94-11,092.25

Finding the Fourth Proportional to 20,166.05, 27,829.94 and 11,092.25

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Solution

The fourth proportional to 20,166.05, 27,829.94 and 11,092.25 is: 15,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.05 : 27,829.94 = 11,092.25 : x
  2. Step 2: Convert to fraction form
    20,166.05/27,829.94 = 11,092.25/x
  3. Step 3: Cross multiply
    20,166.05x = 27,829.94 × 11,092.25
  4. Step 4: Simplify right side
    20,166.05x = 308,696,712.71
  5. Step 5: Solve for x
    x = 308,696,712.71/20,166.05
  6. Step 6: Final answer
    x = 15,307.75

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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.