Home / 20,009.61-27,613.49-11,056.95

Finding the Fourth Proportional to 20,009.61, 27,613.49 and 11,056.95

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Solution

The fourth proportional to 20,009.61, 27,613.49 and 11,056.95 is: 15,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.61 : 27,613.49 = 11,056.95 : x
  2. Step 2: Convert to fraction form
    20,009.61/27,613.49 = 11,056.95/x
  3. Step 3: Cross multiply
    20,009.61x = 27,613.49 × 11,056.95
  4. Step 4: Simplify right side
    20,009.61x = 305,320,922.97
  5. Step 5: Solve for x
    x = 305,320,922.97/20,009.61
  6. Step 6: Final answer
    x = 15,258.71

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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.