Home / 20,045.05-27,661.75-11,092.02

Finding the Fourth Proportional to 20,045.05, 27,661.75 and 11,092.02

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Solution

The fourth proportional to 20,045.05, 27,661.75 and 11,092.02 is: 15,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.05 : 27,661.75 = 11,092.02 : x
  2. Step 2: Convert to fraction form
    20,045.05/27,661.75 = 11,092.02/x
  3. Step 3: Cross multiply
    20,045.05x = 27,661.75 × 11,092.02
  4. Step 4: Simplify right side
    20,045.05x = 306,824,552.77
  5. Step 5: Solve for x
    x = 306,824,552.77/20,045.05
  6. Step 6: Final answer
    x = 15,306.75

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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.