Home / 20,236.73-27,925.37-11,283.69

Finding the Fourth Proportional to 20,236.73, 27,925.37 and 11,283.69

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Solution

The fourth proportional to 20,236.73, 27,925.37 and 11,283.69 is: 15,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.73 : 27,925.37 = 11,283.69 : x
  2. Step 2: Convert to fraction form
    20,236.73/27,925.37 = 11,283.69/x
  3. Step 3: Cross multiply
    20,236.73x = 27,925.37 × 11,283.69
  4. Step 4: Simplify right side
    20,236.73x = 315,101,308.83
  5. Step 5: Solve for x
    x = 315,101,308.83/20,236.73
  6. Step 6: Final answer
    x = 15,570.77

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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.